The Bumper, cataloged under National Stock Number 5340-00-421-5018, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-421-5018 |
| Primary Part Number | 65A81C231 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Material Hardness Rating | 70.0 DUROMETER MINIMUM AND 80.0 DUROMETER MAXIMUM |
| First Counterbore Diameter | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Material Document and Classification | L-P-513 FED SPEC SINGLE MATERIAL RESPONSE |
| First Counterbore Depth | 0.813 INCHES NOMINAL IN |
| Color | BLACK |
| Material | RUBBER |
| Hole Diameter | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM 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 |
|---|---|
| 65A81-C213 | Asrc Federal Facilities Logistics, Llc (USA) |
| 65A81C231 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 65A81C231 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-421-5018 is a Bumper, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-421-5018 has 2 manufacturer part numbers on file: 65A81-C213 (Asrc Federal Facilities Logistics, Llc), 65A81C231 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 65A81C231: Overall Height: 1.625 INCHES NOMINAL IN; Material Hardness Rating: 70.0 DUROMETER MINIMUM AND 80.0 DUROMETER MAXIMUM; First Counterbore Diameter: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Material Document and Classification: L-P-513 FED SPEC SINGLE MATERIAL RESPONSE. 7 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.