The Receptacle,quick Release Pin, cataloged under National Stock Number 5342-01-331-5904, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-331-5904 |
| Item Name | Receptacle,quick Release Pin |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Status | ACTIVE |
| Body Diameter | 0.750 INCHES NOMINAL IN |
| Plate Thickness | 0.062 INCHES NOMINAL IN |
| Mounting Plate Type | FLUSH |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Plate Diameter | 2.000 INCHES NOMINAL IN |
| Pin Accommodation Diameter | 0.500 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN |
| Material Document and Classification | ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE RECEPTACLE |
| Material Document and Classification | ASTMA582 ASSN STD SINGLE MATERIAL RESPONSE RECEPTACLE MECHANISM |
| Material Document and Classification | QQ-S-763,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE RECEPTACLE PLATE |
| Material Document and Classification | QQ-S-763,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | QQ-W-423 FED SPEC 1ST MATERIAL RESPONSE OR AMS5673 ASSN STD 2ND MATERIAL RESPONSE EJECTOR SPRING |
| Mounting Hole Diameter | 0.128 INCHES NOMINAL IN |
| Body Length | 1.250 INCHES NOMINAL IN |
| Mounting Hole Circle Diameter | 1.100 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Mounting Plate Style | ROUND |
| Material | STEEL RETAINER |
| Material | STEEL RECEPTACLE PLATE |
| Material | STEEL COMP 302 OR STEEL EJECTOR SPRING |
| Material | STEEL COMP 303 RECEPTACLE |
| Material | STEEL COMP 303 RECEPTACLE MECHANISM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 867123-0004 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 52382 | 3/2 Design control — primary reference U.S. Government activity |
| 867123-0004 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5342-01-331-5904 is a Receptacle,quick Release Pin, classified under FSC 5342, Hardware, Weapon System. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-350-9060, 1005-01-585-6824, 5305-01-617-2443. Verify interchangeability with system specifications before substitution.
Key specifications for 5342-01-331-5904: Body Diameter: 0.750 INCHES NOMINAL IN; Plate Thickness: 0.062 INCHES NOMINAL IN; Mounting Plate Type: FLUSH; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 21 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.