The Bumper, cataloged under National Stock Number 5340-01-532-0643, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-532-0643 |
| Primary Part Number | 88-20278 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Department of Defense Project Manager-Mobile Electric Power |
| Status | ACTIVE |
| Shank Diameter | 0.630 INCHES NOMINAL IN |
| Outside/top Flange Diameter | 0.750 INCHES NOMINAL IN |
| Style Designator | FLANGED |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 88-20278 PRIMARY | Department of Defense Project Manager-Mobile Electric Power (USA) |
| 88-20278 | L-3 Communications Westwood Corporation Dba Mc II Electric Division Div L3 Westwood Corporation (USA) |
| Reference | Meaning |
|---|---|
| 88-20278 | 5/9 Secondary reference Valtronic Corp the |
| 88-20278 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-532-0643 is a Bumper, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-532-0643 has 2 manufacturer part numbers on file: 88-20278 (Department of Defense Project Manager-Mobile Electric Power), 88-20278 (L-3 Communications Westwood Corporation Dba Mc II Electric Division Div L3 Westwood Corporation).
Key specifications for 88-20278: Shank Diameter: 0.630 INCHES NOMINAL IN; Outside/top Flange Diameter: 0.750 INCHES NOMINAL IN; Style Designator: FLANGED; Part Name Assigned by Controlling Agency: BUMPER, DOOR. 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.