5310-01-076-4958
Find complete technical information, availability, and procurement data for: 5310-01-076-4958
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-076-4958
Item Name Code
04888
Assigment Date
05/07/1979 (47 years ago)
0.433 inches minimum and 0.438 inches maximum washer outside diameter, 3b thread class, right-hand thread direction, 0.255 inches minimum and 0.275 inches maximum nut counterbore diameter, 0.319 inches minimum and 0.339 inches maximum overall height
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
- Washer Outside Diameter
- 0.433 inches minimum and 0.438 inches maximum
- Counterbore Diameter
- 0.255 inches minimum and 0.275 inches maximum nut
- Overall Height
- 0.319 inches minimum and 0.339 inches maximum
- Nut Style
- double hexagon
- Washer Thickness
- 0.035 inches minimum and 0.055 inches maximum
- Nut Counterbore Depth
- 0.052 inches minimum and 0.072 inches maximum nut
- Width Across Flats
- 0.312 inches nominal
- Thread Series
- unjf
- Thread Quantity Per Inch
- 28
- Hardness Rating
- 26.0 rockwell c minimum and 32.0 rockwell c maximum
- Nominal Thread Size
- 0.250 inches
- Bearing Surface Finish
- 125.0 microinches
- Special Features
- 6 scallops equally spaced on washer in relation to double hexagon
- Material
- steel comp 8740 overall
- Material Document And Classification
- ams 6322 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- ams 2400 assn std single treatment response overall
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 |
|---|---|
| MS9767-10 | Nut,plain,extended Washer,double |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-01-076-4958?
The FSCG of the NSN 5310-01-076-4958 is 5310
Does the NSN 5310-01-076-4958 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-076-4958 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 5310-01-076-4958 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-076-4958 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 5310-01-076-4958 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Mon, May 7, 1979
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 Surplus | 2 |
| Total | 2 |
Availability of this item was last updated on:
06/12/2026 03:06 AM EDT.
Stock levels and pricing are subject to change.