The Receptacle,quick Release Pin, cataloged under National Stock Number 5342-01-306-7927, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-306-7927 |
| Primary Part Number | 3M975-4C1-290 |
| Item Name | Receptacle,quick Release Pin |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Body Diameter | 0.375 INCHES NOMINAL IN |
| Plate Thickness | 0.062 INCHES NOMINAL IN |
| Plate Length | 1.281 INCHES NOMINAL IN |
| Mounting Plate Type | FLUSH |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| 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 | AMS5643,COMP 17-4,COND H1025 ASSN STD SINGLE MATERIAL RESPONSE HOUSING |
| Material Document and Classification | QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OR AST-582,300 CRES ASSN STD ALL MATERIAL RESPONSES RECEPTACLE |
| Material Document and Classification | QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OR ASTM 582,300 CRES ASSN STD ALL MATERIAL RESPONSES RETAINER |
| Material Document and Classification | QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-763,300 CRES FED SPEC ALL MATERIAL RESPONSES RECEPTACLE PLATE |
| Material Document and Classification | QQ-W-423 FED SPEC 1ST MATERIAL RESPONSE OR AMS5673 ASSN STD 2ND MATERIAL RESPONSE RECEPTACLE MECHANISM |
| Mounting Hole Diameter | 0.128 INCHES NOMINAL IN |
| Body Length | 1.250 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Mounting Plate Style | OVAL |
| Material | STEEL CORROSION RESISTING RECEPTACLE |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material | STEEL COMP 630 HOUSING |
| Material | STEEL CORROSION RESISTING RECEPTACLE MECHANISM |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 3M975-4C1-290 | The Boeing Company Div Defense (USA) |
| 13QRP10-4C2-290 | Qrp Inc (USA) |
| Reference | Meaning |
|---|---|
| 52171A4C1-290 | 3/2 Design control — primary reference U.S. Government activity |
| LW1764-4C1-290 | 5/9 Secondary reference U.S. Government activity |
NSN 5342-01-306-7927 is a Receptacle,quick Release Pin, manufactured by The Boeing Company Div Defense, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-306-7927 has 2 manufacturer part numbers on file: 3M975-4C1-290 (The Boeing Company Div Defense), 13QRP10-4C2-290 (Qrp Inc).
Key specifications for 3M975-4C1-290: Body Diameter: 0.375 INCHES NOMINAL IN; Plate Thickness: 0.062 INCHES NOMINAL IN; Plate Length: 1.281 INCHES NOMINAL IN; Mounting Plate Type: FLUSH. 22 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.