The Bolt,assembled Washer, cataloged under National Stock Number 5306-00-121-2888, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Brp Us Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-121-2888 |
| Primary Part Number | 309924 |
| Item Name | Bolt,assembled Washer |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Head Height | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Fastener Length | 1.126 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN |
| Primary Washer Outside Diameter | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Thread Length | 1.026 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Primary Washer Material Thickness | 0.025 INCHES NOMINAL IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Washer Quantity | 1 |
| 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 |
|---|---|
| 309924 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 309924 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 309924 | C/1 Advisory reference — outside the item-of-supply concept Evinrude Motors Product Group of Outboard Marine Corp |
NSN 5306-00-121-2888 is a Bolt,assembled Washer, manufactured by Brp Us Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-121-2888 has 1 manufacturer part number on file: 309924 (Brp Us Inc).
Key specifications for 309924: Head Height: 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Fastener Length: 1.126 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN; Primary Washer Outside Diameter: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Thread Length: 1.026 INCHES MINIMUM 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.