The Bumper, cataloged under National Stock Number 5340-00-474-5657, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-474-5657 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Outside/top Flange Diameter | 0.969 INCHES NOMINAL IN |
| First Counterbore Diameter | 0.375 INCHES NOMINAL IN |
| Style Designator | PAN TOP COUNTERBORED |
| First Counterbore Depth | 0.391 INCHES NOMINAL IN |
| Material | RUBBER |
| Hole Diameter | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| BPR2 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5340-00-474-5657 is a Bumper, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 7690-01-250-8757. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-00-474-5657: Overall Height: 0.391 INCHES NOMINAL IN; Outside/top Flange Diameter: 0.969 INCHES NOMINAL IN; First Counterbore Diameter: 0.375 INCHES NOMINAL IN; Style Designator: PAN TOP COUNTERBORED. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.