The Bumper, cataloged under National Stock Number 5340-01-640-8447, 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 1 specification, 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-640-8447 |
| Primary Part Number | 04-21724 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Department of Defense Project Manager-Mobile Electric Power |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 04-21724 PRIMARY | Department of Defense Project Manager-Mobile Electric Power (USA) |
NSN 5340-01-640-8447 is a Bumper, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-640-8447 has 1 manufacturer part number on file: 04-21724 (Department of Defense Project Manager-Mobile Electric Power).
Key specifications for 04-21724: Overall Height: 3.175 MILLIMETERS NOMINAL MM; Overall Length: 49.2 MILLIMETERS MINIMUM AND 60.8 MILLIMETERS MAXIMUM MM; Overall Width: 49.2 MILLIMETERS MINIMUM AND 50.8 MILLIMETERS MAXIMUM MM; Special Features: ITEM HAS A DIAMOND SHAPED APERTURE WITH ROUNDED CORNERS. EACH SIDE IS 13.87MIN/14.25MAX. CORNERS ARE ROUNDED 0N A 16MM DIAMETER. THE ENTIRE ITEM ALSO HAS ROUNDED CORNERS 12MM RADIUS +/- 1.5MM. MM. 1 specification is 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.