The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-665-3623, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Indian Head Industries, Inc. Div Mgm Brakes. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-665-3623 |
| Primary Part Number | 8130015 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Indian Head Industries, Inc. Div Mgm Brakes |
| Status | ACTIVE |
| Washer Outside Diameter | 0.66 INCHES NOMINAL IN |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.31 INCHES IN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| 8130015 PRIMARY | Indian Head Industries, Inc. Div Mgm Brakes (USA) |
| Reference | Meaning |
|---|---|
| 2HP806 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5310-01-665-3623 is a Nut,plain,extended Washer,hexago, manufactured by Indian Head Industries, Inc. Div Mgm Brakes, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-665-3623 has 1 manufacturer part number on file: 8130015 (Indian Head Industries, Inc. Div Mgm Brakes).
Key specifications for 8130015: Overall Height: 0.28 INCHES NOMINAL IN; Washer Outside Diameter: 0.66 INCHES NOMINAL IN; Thread Series: UNF; Thread Direction: RIGHT-HAND. 9 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.