The Pin,quick Release, cataloged under National Stock Number 5315-01-261-1951, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-261-1951 |
| Item Name | Pin,quick Release |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.3095 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Actuation Method | PUSH BUTTON |
| Detent to Tapered End Distance | 0.400 INCHES NOMINAL IN |
| Detent Quantity | 2 |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Actuation Type | PULL AND PUSH |
| Hardness Rating | 54.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM DETENT |
| Pin Attachment Type | RING |
| Style Designator | L HANDLE |
| Material Document and Classification | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-T-6736 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-T-6735 MIL SPEC 2ND MATERIAL RESPONSE SHANK |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE DETENT |
| Material Document and Classification | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-T-6736 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-T-6735 MIL SPEC 2ND MATERIAL RESPONSE RING |
| Material Document and Classification | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-T-6736 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-T-6735 MIL SPEC 2ND MATERIAL RESPONSE SPINDLE |
| Material Document and Classification | QQ-A-35 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-268 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-281 FED SPEC 3RD MATERIAL RESPONSE OR QQ-A-591 FED SPEC 4TH MATERIAL RESPONSE HEAD |
| Specification/standard Data | 80205-NAS1335 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 1.300 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Pin Center to Handle End Distance | 1.781 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OR STEEL COMP 4135 SHANK |
| Material | STEEL COMP 440C DETENT |
| Material | ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 7075 OR ALUMINUM ALLOY HEAD |
| Material | STEEL COMP 4130 OR STEEL COMP 4135 RING |
| Material | STEEL COMP 4130 OR STEEL COMP 4135 SPINDLE |
| Shoulder to Head End Distance | 1.547 INCHES NOMINAL IN |
| 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 |
|---|---|
| NAS1335A5S13D | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-261-1951 is a Pin,quick Release, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-261-1951: Shank Diameter: 0.3095 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Actuation Method: PUSH BUTTON; Detent to Tapered End Distance: 0.400 INCHES NOMINAL IN; Detent Quantity: 2. 24 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.