The Bumper, cataloged under National Stock Number 5340-01-503-3365, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-503-3365 |
| Primary Part Number | 596-7410249-85 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Outside/top Flange Diameter | 0.625 INCHES NOMINAL IN |
| First Counterbore Diameter | 0.625 INCHES NOMINAL IN |
| Style Designator | FLAT TOP COUNTERBORED |
| First Counterbore Depth | 0.560 INCHES NOMINAL IN |
| Material | PLASTIC |
| Hole Diameter | 0.406 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 |
|---|---|
| 596-7410249-85 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| B831-9511-85 | 3/2 Design control — primary reference U.S. Government activity |
| 596-7410249 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5340-01-503-3365 is a Bumper, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-503-3365 has 1 manufacturer part number on file: 596-7410249-85 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-504-8342. Verify interchangeability with system specifications before substitution.
Key specifications for 596-7410249-85: Overall Height: 1.000 INCHES NOMINAL IN; Outside/top Flange Diameter: 0.625 INCHES NOMINAL IN; First Counterbore Diameter: 0.625 INCHES NOMINAL IN; Style Designator: FLAT 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.