The Retainer,nut and Bolt, cataloged under National Stock Number 5340-01-144-3582, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 9 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-144-3582 |
| Primary Part Number | 7M501-1 |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MMS420 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE |
| Distance Between Mounting Hole Centers | 1.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/5, T81 FED SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.128 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN |
| Material Thickness | 0.090 INCHES NOMINAL IN |
| Center to Center Distance Between Cup and Mounting Hole | 0.750 INCHES NOMINAL IN |
| Surface Treatment | ENAMEL |
| Material | ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 1230 |
| Width Between Cup Flats | 0.823 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 7M501-1 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| M501-1 | 5/9 Secondary reference Pioneer Machine Products Inc. |
| 7M501-1 | 5/9 Secondary reference U.S. Government activity |
| 7M501-1 | 5/9 Secondary reference World Mfg Inc |
| 7M501-1 | 5/9 Secondary reference Br Machine Parts Inc |
| 10112745 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 7M501-1 | 5/9 Secondary reference Pioneer Machine Products Inc. |
NSN 5340-01-144-3582 is a Retainer,nut and Bolt, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-144-3582 has 1 manufacturer part number on file: 7M501-1 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-239-9119. Verify interchangeability with system specifications before substitution.
Key specifications for 7M501-1: Overall Height: 0.090 INCHES NOMINAL IN; Surface Treatment Document and Classification: MMS420 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE; Distance Between Mounting Hole Centers: 1.500 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/5, T81 FED SPEC SINGLE MATERIAL RESPONSE. 9 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.