NAS1291C3
View detailed technical data, stock status, and sourcing information for: NAS1291C3
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-844-3302
Item Name Code
29730
Assigment Date
01/01/1961 (65 years ago)
0.154 inches minimum and 0.188 inches maximum overall height, right-hand thread direction, 3b thread class, prevailing torque all metal design locking feature, 0.330 inches maximum washer outside diameter
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3b
- Thread Direction
- right-hand
- Locking Feature
- prevailing torque all metal design
- Washer Outside Diameter
- 0.330 inches maximum
- Overall Height
- 0.154 inches minimum and 0.188 inches maximum
- Nut Style
- hexagon
- Washer Thickness
- 0.015 inches minimum
- End Item Identification
- armored multi-purpose vehicle (ampv)
- Width Across Flats
- 0.243 inches minimum and 0.252 inches maximum
- Temp Rating
- 800.0 fahrenheit maximum
- Thread Series
- unf
- Thread Quantity Per Inch
- 32
- Nominal Thread Size
- 0.190 inches
- Material
- iron alloy 660 overall
- Material Document And Classification
- ams5525 assn std single material response or 5735 assn std single material response overall
- Precious Material And Location
- o/a silver
- Precious Material
- silver
- Surface Treatment
- silver overall
- Surface Treatment Document And Classification
- qq-s-365 fed spec single treatment response or ams 2410 assn std single treatment response overall
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-057-1821 | No Name Available | 10/21/1968 |
| 5310-00-411-4765 | No Name Available | 11/01/1992 |
| 5310-00-622-1741 | No Name Available | 11/01/1985 |
| 5310-00-685-7430 | No Name Available | 11/01/1985 |
| 5310-00-716-8760 | No Name Available | 09/14/2005 |
| 5310-00-838-9661 | No Name Available | 01/04/1967 |
| 5310-00-877-4210 | No Name Available | 10/21/1968 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 10121763 | Extended Washer Self-Locking Nut |
| 2523107 | Extended Washer Self-Locking Nut |
| 2529611 | Extended Washer Self-Locking Nut |
| 502B69-4 | Extended Washer Self-Locking Nut |
| 525-595-9005 | Extended Washer Self-Locking Nut |
| 525-628-90104 | Extended Washer Self-Locking Nut |
| 5310008443302 | Extended Washer Self-Locking Nut |
| 5310PL0141541 | Extended Washer Self-Locking Nut |
| 645403-3 | Extended Washer Self-Locking Nut |
| 754/4/30407/010 | Extended Washer Self-Locking Nut |
| 8921721 ITEM 6 | Extended Washer Self-Locking Nut |
| 9033816 | Extended Washer Self-Locking Nut |
| 938.07.68.404 | Extended Washer Self-Locking Nut |
| 99148348 | Extended Washer Self-Locking Nut |
| AE27-07 | Extended Washer Self-Locking Nut |
| B70159 | Extended Washer Self-Locking Nut |
| BH00204-3 | Extended Washer Self-Locking Nut |
| BH21043-3 | Extended Washer Self-Locking Nut |
| FN1014-1032 | Extended Washer Self-Locking Nut |
| H41-3 | Extended Washer Self-Locking Nut |
| J626P05F | Extended Washer Self-Locking Nut |
| LH3858-02 | Extended Washer Self-Locking Nut |
| MN19-3 | Extended Washer Self-Locking Nut |
| MS21043-3 | Extended Washer Self-Locking Nut |
| MS21043C3 | Extended Washer Self-Locking Nut |
| MS21043L3 | Extended Washer Self-Locking Nut |
| NAS1291C3 | Extended Washer Self-Locking Nut |
| P146007004 | Extended Washer Self-Locking Nut |
| S100-13T1032 | Extended Washer Self-Locking Nut |
| T99C1032 | Extended Washer Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-844-3302?
The FSCG of the NSN 5310-00-844-3302 is 5310
Does the NSN 5310-00-844-3302 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-844-3302 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5310-00-844-3302 contain precious materials?
Item contains silver.
Does NSN 5310-00-844-3302 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5310-00-844-3302 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961
Professional Distribution
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Pricing
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In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| New Material | 159,462 |
| New Surplus | 4,411 |
| Serviceable | 5 |
| As Removed | 9 |
| Overhauled | 20 |
| Total | 163,907 |
Availability of this item was last updated on:
08/11/2026 03:08 AM EDT.
Stock levels and pricing are subject to change.