The Receptacle,quick Release Pin, cataloged under National Stock Number 5342-01-027-5616, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Qrp Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5342-01-027-5616 |
| Primary Part Number | 3M975-4-100 |
| Item Name | Receptacle,quick Release Pin |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Qrp Inc |
| Status | ACTIVE |
| Body Diameter | 0.371 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Plate Thickness | 0.062 INCHES NOMINAL IN |
| Plate Length | 1.281 INCHES NOMINAL IN |
| Mounting Plate Type | STUD |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Mounting Stud Diameter | 0.371 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes | 1.000 INCHES NOMINAL IN |
| Pin Accommodation Diameter | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Plate Width | 0.625 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE RECEPTACLE |
| Material Document and Classification | QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE RECEPTACLE PLATE |
| Mounting Hole Diameter | 0.128 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Body Length | 1.250 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Mounting Plate Style | OVAL |
| Material | ALUMINUM ALLOY 7075 RECEPTACLE |
| Material | STEEL EJECTOR SPRING |
| Material | ALUMINUM ALLOY 7075 RECEPTACLE PLATE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3M975-4-100 PRIMARY | Qrp Inc (USA) |
| Reference | Meaning |
|---|---|
| 3M975-4-1-100 | 3/2 Design control — primary reference U.S. Government activity |
| LW1764-4-1-100 | 5/9 Secondary reference U.S. Government activity |
| 3M975-4-1-100 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 52956A4-1-100 | 5/9 Secondary reference U.S. Government activity |
| ST3M590-4-1-100 | 5/9 Secondary reference The Boeing Company Div Defense |
| 3M975-4-1-100 | 5/9 Secondary reference U.S. Government activity |
| 13QRP10-4-1-100 | 5/1 Secondary reference Qrp Inc |
NSN 5342-01-027-5616 is a Receptacle,quick Release Pin, manufactured by Qrp Inc, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-027-5616 has 1 manufacturer part number on file: 3M975-4-100 (Qrp Inc).
1 possible match (shared part number, not a government interchangeability claim): 5815-01-027-8516. Verify interchangeability with system specifications before substitution.
Key specifications for 3M975-4-100: Body Diameter: 0.371 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN; Plate Thickness: 0.062 INCHES NOMINAL IN; Plate Length: 1.281 INCHES NOMINAL IN; Mounting Plate Type: STUD. 18 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.