The Bumper, cataloged under National Stock Number 5340-01-400-3774, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-400-3774 |
| Primary Part Number | 025170-521 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625, TYPE 3, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Style Designator | RECTANGULAR |
| Material Document and Classification | QQ-A-250/11, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | 6061 ALLOY AND T6 TEMPER |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 6061 |
| 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 |
|---|---|
| 025170-521 PRIMARY | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| QQ-A-250/11-T6, 0.032X0.37X27.97 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| 025170-521 | 5/9 Secondary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
| QQ-A-250/11 | 5/9 Secondary reference U.S. Government activity |
| AMS-QQ-A-250/11 | 5/9 Secondary reference U.S. Government activity |
| AMS-QQ-A-250/11 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5340-01-400-3774 is a Bumper, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-400-3774 has 2 manufacturer part numbers on file: 025170-521 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc), QQ-A-250/11-T6, 0.032X0.37X27.97 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
Key specifications for 025170-521: Overall Height: 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625, TYPE 3, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE; Style Designator: RECTANGULAR; Material Document and Classification: QQ-A-250/11, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE. 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.