The Bolt,assembled Washer, cataloged under National Stock Number 5306-00-121-2890, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-121-2890 |
| Primary Part Number | 308111 |
| Item Name | Bolt,assembled Washer |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Head Height | 0.162 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Primary Washer Outside Diameter | 0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| 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 |
|---|---|
| 308111 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 308111 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
NSN 5306-00-121-2890 is a Bolt,assembled Washer, manufactured by Brp Us Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-121-2890 has 1 manufacturer part number on file: 308111 (Brp Us Inc).
Key specifications for 308111: Extended Washer Thickness: 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN; Head Height: 0.162 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Extended Washer Diameter: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Primary Washer Outside Diameter: 0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM 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.