The Bumper, cataloged under National Stock Number 5340-01-121-2047, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-121-2047 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Outside/top Flange Diameter | 0.310 INCHES NOMINAL IN |
| Material Hardness Rating | 40.0 SHORE DUROMETER A NOMINAL |
| Style Designator | FLAT TOP |
| Material Document and Classification | MIL-R-6855, CLASS 2, TYPE A, GRADE 40 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | RUBBER |
| 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 |
| Reference | Meaning |
|---|---|
| 501-4675794 ITE | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 501-4675794 ITEM 13 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-121-2047 is a Bumper, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-158-8702. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-121-2047: Overall Height: 0.250 INCHES NOMINAL IN; Outside/top Flange Diameter: 0.310 INCHES NOMINAL IN; Material Hardness Rating: 40.0 SHORE DUROMETER A NOMINAL; Style Designator: FLAT TOP. 5 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.