The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-081-4688, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-081-4688 |
| Primary Part Number | 7FR16 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Washer Outside Diameter | 0.703 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Width Across Flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 038105007 | Parker-Hannifin Corporation Dba Racor Division Div Racor Division (USA) |
| 7FR16 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 7FR16 | 5/9 Secondary reference Oshkosh Corp |
| A-38105-9 | C/1 Advisory reference — outside the item-of-supply concept Farr Co |
| N10215 | C/1 Advisory reference — outside the item-of-supply concept Deere & Company Dba Deere John Co |
| 38105-7 | 5/9 Secondary reference Farr Co |
NSN 5310-01-081-4688 is a Nut,plain,extended Washer,hexago, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-081-4688 has 2 manufacturer part numbers on file: 038105007 (Parker-Hannifin Corporation Dba Racor Division Div Racor Division), 7FR16 (Oshkosh Defense Llc).
Key specifications for 7FR16: Overall Height: 0.330 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN; Washer Outside Diameter: 0.703 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN; Width Across Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.