The Pin,quick Release, cataloged under National Stock Number 5315-01-178-3989, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-178-3989 |
| Item Name | Pin,quick Release |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Actuation Method | PUSH BUTTON |
| Detent to Tapered End Distance | 0.410 INCHES MAXIMUM IN |
| Detent Quantity | 2 |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Handle Length | 1.375 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Actuation Type | PULL AND PUSH |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM SPINDLE |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM SHANK |
| Pin Attachment Type | LINK OR RING |
| Style Designator | T HANDLE |
| Material Document and Classification | AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5657 ASSN STD 2ND MATERIAL RESPONSE SPINDLE |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE DETENT |
| Material Document and Classification | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-764 FED SPEC 2ND MATERIAL RESPONSE HEAD |
| Material Document and Classification | AMS5673 ASSN STD 1ST MATERIAL RESPONSE OR QQ-W-423 FED SPEC 2ND MATERIAL RESPONSE SPRING |
| Material Document and Classification | AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5657 FED SPEC 2ND MATERIAL RESPONSE SHANK |
| Material Document and Classification | AMS5673 ASSN STD 1ST MATERIAL RESPONSE OR QQ-W-423 FED SPEC 2ND MATERIAL RESPONSE HOOK |
| Material Document and Classification | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-764 FED SPEC 2ND MATERIAL RESPONSE BUTTON |
| Material Document and Classification | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-764 FED SPEC 2ND MATERIAL RESPONSE HANDLE |
| Specification/standard Data | 96906-MS17988 GOVERNMENT STANDARD |
| Grip Length | 2.200 INCHES MINIMUM AND 2.220 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Shear Strength | 5150 DOUBLE POUNDS PER SQUARE INCH |
| Material | STEEL COMP 630 OR STEEL COMP 632 SHANK |
| Material | STEEL COMP 630 OR STEEL COMP 632 SPINDLE |
| Material | STEEL COMP 440C DETENT |
| Material | STEEL COMP 302 OR STEEL COMP 303 BUTTON |
| Material | STEEL COMP 302 OR STEEL COMP 303 HANDLE |
| Material | STEEL COMP 302 OR STEEL COMP 303 HEAD |
| 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 |
|---|---|
| LH3C-L-22M | 5/9 Secondary reference U.S. Government activity |
| MS17988C322 | 5/9 Secondary reference U.S. Government activity |
| MS17988C322 | 3/2 Design control — primary reference U.S. Government activity |
| BLC3T22N | 5/9 Secondary reference U.S. Government activity |
| DLC3T22N | 5/9 Secondary reference Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| LH3C-L-22M | 5/9 Secondary reference Southco Inc. |
NSN 5315-01-178-3989 is a Pin,quick Release, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-178-3989: Shank Diameter: 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Actuation Method: PUSH BUTTON; Detent to Tapered End Distance: 0.410 INCHES MAXIMUM IN; Detent Quantity: 2. 29 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.