The Pin,quick Release, cataloged under National Stock Number 5315-01-022-5676, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok. Government technical data includes 21 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-022-5676 |
| Primary Part Number | SLS7R31 |
| Item Name | Pin,quick Release |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| Status | ACTIVE |
| Shank Diameter | 0.4345 INCHES MINIMUM AND 0.4360 INCHES MAXIMUM IN |
| Actuation Method | PUSH BUTTON |
| Detent to Tapered End Distance | 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Detent Quantity | 2 |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE SPINDLE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE SHANK |
| Actuation Type | PUSH |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SHANK |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SPINDLE |
| Pin Attachment Type | HOOK OR RING |
| Style Designator | RING HANDLE |
| Material Document and Classification | MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE SHANK |
| Material Document and Classification | MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE SPINDLE |
| Grip Length | 3.100 INCHES MINIMUM AND 3.120 INCHES MAXIMUM IN |
| Ring Handle Diameter | 1.090 INCHES MINIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE SHANK |
| Surface Treatment | CADMIUM AND CHROMATE SPINDLE |
| Material | STEEL COMP 4130 SHANK |
| Material | STEEL COMP 4130 SPINDLE |
| Shoulder to Head End Distance | 0.980 INCHES MINIMUM IN |
| Head Diameter | 0.550 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| 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 |
|---|---|
| SLS7R31 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| LG7SR31M | 5/2 Secondary reference U.S. Government activity |
| MS17987-731 | 2/2 Government specification standardization U.S. Government activity |
| BLS7R31S | 5/2 Secondary reference U.S. Government activity |
| LG7SR3100 | 5/2 Secondary reference U.S. Government activity |
| BLS7R31SM | 5/2 Secondary reference U.S. Government activity |
NSN 5315-01-022-5676 is a Pin,quick Release, manufactured by Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-022-5676 has 1 manufacturer part number on file: SLS7R31 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-367-8787. Verify interchangeability with system specifications before substitution.
Key specifications for SLS7R31: Shank Diameter: 0.4345 INCHES MINIMUM AND 0.4360 INCHES MAXIMUM IN; Actuation Method: PUSH BUTTON; Detent to Tapered End Distance: 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Detent Quantity: 2. 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.