The Nut,clip-on, cataloged under National Stock Number 5310-01-656-6816, 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 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-656-6816 |
| Primary Part Number | 4256819 |
| Item Name | Nut,clip-on |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Distance From Base to Center of Aperture | 0.25 INCHES NOMINAL IN |
| Material Document and Classification | SAE1050 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material Thickness | 0.02 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Panel Thickness | 0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.1380 INCHES IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Nut Style | J-FRAME |
| Thread Class | 6 |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1050 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 |
|---|---|
| 4256819 PRIMARY | Oshkosh Defense Llc (USA) |
NSN 5310-01-656-6816 is a Nut,clip-on, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-656-6816 has 1 manufacturer part number on file: 4256819 (Oshkosh Defense Llc).
Key specifications for 4256819: Thread Series: UNIFIED NATIONAL COARSE (UNC); Distance From Base to Center of Aperture: 0.25 INCHES NOMINAL IN; Material Document and Classification: SAE1050 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL; Material Thickness: 0.02 INCHES NOMINAL IN. 12 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.