The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-285-2187, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Briggs and Stratton Corp. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-285-2187 |
| Primary Part Number | 92129 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Briggs and Stratton Corp |
| Status | ACTIVE |
| Width Across Flats | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Height | 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Bearing Surface Type | 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 |
|---|---|
| 92129 PRIMARY | Briggs and Stratton Corp (USA) |
| 92129PERREQ3 PRIMARY | Briggs and Stratton Corp (USA) |
| 92129 | Briggs & Stratton Uk Ltd (GBR) |
NSN 5310-00-285-2187 is a Nut,plain,hexagon, manufactured by Briggs and Stratton Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-285-2187 has 3 manufacturer part numbers on file: 92129 (Briggs and Stratton Corp), 92129PERREQ3 (Briggs and Stratton Corp), 92129 (Briggs & Stratton Uk Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5905-00-500-6950, 5340-01-179-1107. Verify interchangeability with system specifications before substitution.
Key specifications for 92129: Width Across Flats: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN. 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.