42FW820
View detailed technical data, stock status, and sourcing information for: 42FW820
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-272-6418
Item Name Code
29729
Assigment Date
01/01/1963 (63 years ago)
soluble lubricant lubrication, right-hand thread direction, prevailing torque all metal design locking feature, 3b thread class, 0.875 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
- 0.875 inches maximum
- Lubrication
- soluble lubricant
- Overall Height
- 0.568 inches maximum
- Nut Style
- double hexagon
- Washer Thickness
- 0.136 inches minimum
- Width Across Flats
- 0.616 inches minimum and 0.627 inches maximum
- Temp Rating
- 450.0 fahrenheit nominal
- Thread Series
- unjf
- Thread Quantity Per Inch
- 20
- Hardness Rating
- 38.0 rockwell c maximum
- Nominal Thread Size
- 0.500 inches
- Material
- steel comp 8630 or steel comp 4037 or steel comp 8740 overall
- Material Document And Classification
- ams 6280 assn std 1st material response or ams 6300 assn std 2nd material response or ams 6322 assn std 3rd material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- qq-p-416,ty 1,cl 3 fed spec 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5310-00-238-7561 | No Name Available | 10/01/1971 |
| 5310-00-596-5999 | No Name Available | 11/24/1967 |
| 5310-00-943-6116 | No Name Available | 02/12/1968 |
| 5310-01-015-1855 | No Name Available | 03/01/1991 |
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 |
|---|---|
| 058524-01 | Extended Washer Self-Locking Nut |
| 10598884-1 | Extended Washer Self-Locking Nut |
| 42FW820 | Extended Washer Self-Locking Nut |
| 42FWG-820 | Extended Washer Self-Locking Nut |
| 5310PL0705427 | Extended Washer Self-Locking Nut |
| 903510C1 | Extended Washer Self-Locking Nut |
| FAC1421-820 | Extended Washer Self-Locking Nut |
| SPS42FW820 | Extended Washer Self-Locking Nut |
| SS5081-08 | Extended Washer Self-Locking Nut |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-272-6418?
The FSCG of the NSN 5310-00-272-6418 is 5310
Does the NSN 5310-00-272-6418 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-272-6418 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 5310-00-272-6418 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-272-6418 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 5310-00-272-6418 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
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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 | 363 |
| New Surplus | 26 |
| Serviceable | 1 |
| Total | 390 |
Availability of this item was last updated on:
05/22/2026 06:05 PM EDT.
Stock levels and pricing are subject to change.