The Bracket,mounting, cataloged under National Stock Number 5340-01-355-9770, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-355-9770 |
| Primary Part Number | 7-311B25039 |
| Item Name | Bracket,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Material Document and Classification | QQ-A-250/4 T3 FED SPEC SINGLE MATERIAL RESPONSE |
| Features Provided | NUT |
| Material | ALUMINUM ALLOY 2024 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 7-311B25039 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-311B25039 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 7-311B25039 | 5/9 Secondary reference Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah |
NSN 5340-01-355-9770 is a Bracket,mounting, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-355-9770 has 1 manufacturer part number on file: 7-311B25039 (The Boeing Company).
Key specifications for 7-311B25039: Material Document and Classification: QQ-A-250/4 T3 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 5.750 INCHES NOMINAL IN; Features Provided: NUT; Material: ALUMINUM ALLOY 2024. 3 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.
NSN 5340-01-355-9770 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.