The Bumper, cataloged under National Stock Number 5340-01-263-2940, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Drs Network & Imaging Systems Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-263-2940 |
| Primary Part Number | 1D50638-501 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Drs Network & Imaging Systems Llc |
| Status | ACTIVE |
| Material Document and Classification | LOCKHEED CORP, ST-0745-02 MFR REF 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 |
| Part Number | Manufacturer |
|---|---|
| 1D50638-501 PRIMARY | Drs Network & Imaging Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 1D50638-501 | 3/9 Design control — primary reference Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Defense and Electronics Systems |
| 1D50638-501 | 5/9 Secondary reference The Boeing Company |
NSN 5340-01-263-2940 is a Bumper, manufactured by Drs Network & Imaging Systems Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-263-2940 has 1 manufacturer part number on file: 1D50638-501 (Drs Network & Imaging Systems Llc).
Key specifications for 1D50638-501: Overall Height: 1.080 INCHES NOMINAL IN; Material Document and Classification: LOCKHEED CORP, ST-0745-02 MFR REF SINGLE MATERIAL RESPONSE; Overall Length: 1.780 INCHES NOMINAL IN; Material: RUBBER. 2 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.