The Pin,quick Release, cataloged under National Stock Number 5315-00-021-0916, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Fastavia Ltd. Government technical data includes 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-021-0916 |
| Primary Part Number | BLS8LA31S |
| Item Name | Pin,quick Release |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Fastavia Ltd |
| Status | ACTIVE |
| Shank Diameter | 0.4970 INCHES MINIMUM AND 0.4985 INCHES MAXIMUM IN |
| Actuation Method | PUSH BUTTON |
| Detent to Tapered End Distance | 0.430 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Detent Quantity | 2 |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE HANDLE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE DETENT |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR QQ-P-416 TYPE 1OR 2 CLASS 3 FED SPEC 2ND TREATMENT RESPONSE BUTTON |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 1 OR 2 CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-35 FED SPEC 2ND TREATMENT RESPONSE COLLAR |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 1 OR 2 CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-35 FED SPEC 2ND TREATMENT RESPONSE HOOK |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 1 OR 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE SHANK |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 1 OR 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE SPINDLE |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 1 OR 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| Actuation Type | PUSH |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM DETENT |
| Pin Attachment Type | HOOK OR RING |
| Style Designator | L HANDLE |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE SPINDLE |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE DETENT |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE SHANK |
| Material Document and Classification | QQ-A-225/5 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE BUTTON |
| Material Document and Classification | QQ-A-591 FED SPEC ALL MATERIAL RESPONSES HANDLE |
| Material Document and Classification | QQ-S-637 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-764 FED SPEC 2ND MATERIAL RESPONSE COLLAR |
| Material Document and Classification | QQ-W-428 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE HOOK |
| Grip Length | 3.100 INCHES MINIMUM AND 3.120 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE HANDLE |
| Surface Treatment | CADMIUM SPINDLE |
| Surface Treatment | CADMIUM SHANK |
| Surface Treatment | CADMIUM SPRING |
| Surface Treatment | PASSIVATE DETENT |
| 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 |
|---|---|
| BLS8LA31S | Fastavia Ltd (GBR) |
| Reference | Meaning |
|---|---|
| BLS8LA31S | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-00-021-0916 is a Pin,quick Release, manufactured by Fastavia Ltd, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-021-0916 has 1 manufacturer part number on file: BLS8LA31S (Fastavia Ltd).
Key specifications for BLS8LA31S: Shank Diameter: 0.4970 INCHES MINIMUM AND 0.4985 INCHES MAXIMUM IN; Actuation Method: PUSH BUTTON; Detent to Tapered End Distance: 0.430 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN; Detent Quantity: 2. 30 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.