The Bumper, cataloged under National Stock Number 5340-01-266-2686, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Buyers Products Company. Government technical data includes 4 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-266-2686 |
| Primary Part Number | B-4500 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Buyers Products Company |
| Status | ACTIVE |
| First Counterbore Diameter | 1.344 INCHES NOMINAL IN |
| Distance Between Mounting Facility Centers | 5.375 INCHES NOMINAL IN |
| Material | RUBBER |
| Hole Diameter | 0.531 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| B-4500 PRIMARY | Buyers Products Company (USA) |
NSN 5340-01-266-2686 is a Bumper, manufactured by Buyers Products Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-266-2686 has 1 manufacturer part number on file: B-4500 (Buyers Products Company).
1 possible match (shared part number, not a government interchangeability claim): 1660-01-563-1461. Verify interchangeability with system specifications before substitution.
Key specifications for B-4500: Overall Height: 3.719 INCHES NOMINAL IN; First Counterbore Diameter: 1.344 INCHES NOMINAL IN; Overall Length: 7.625 INCHES NOMINAL IN; Overall Width: 5.500 INCHES NOMINAL IN. 4 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.