The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-655-9582, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-655-9582 |
| Primary Part Number | 25704-281281-02-0 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke |
| Status | ACTIVE |
| Width Across Flats | 0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Hardness Rating | 121.0 BRINELL STANDARD MINIMUM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| 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 |
|---|---|
| 25704-281281-02-0 | Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke (DEU) |
| 25704-281281-02-0 | Knds Deutschland Gmbh & Co. Kg - Werk Kassel - (DEU) |
| Reference | Meaning |
|---|---|
| MS35691-425 | 5/9 Secondary reference Liebherr-Aerospace Lindenberg Gmbh |
| MS35691-425 | 2/2 Government specification standardization U.S. Government activity |
| FFN836GPBTYPE1STYLE2 | 4/1 Identification reference U.S. Government activity |
| MS35691-425 | 5/9 Secondary reference Feinmechanische Werke Mainz Gmbh |
NSN 5310-00-655-9582 is a Nut,plain,hexagon, manufactured by Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-655-9582 has 2 manufacturer part numbers on file: 25704-281281-02-0 (Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke), 25704-281281-02-0 (Knds Deutschland Gmbh & Co. Kg - Werk Kassel -).
1 possible match (shared part number, not a government interchangeability claim): 5310-00-656-0227. Verify interchangeability with system specifications before substitution.
Key specifications for 25704-281281-02-0: Width Across Flats: 0.4280 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM IN; Thread Series: UNF; Hardness Rating: 121.0 BRINELL STANDARD MINIMUM; Thread Direction: RIGHT-HAND. 11 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.