The Pin,quick Release, cataloged under National Stock Number 5315-00-503-5622, 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 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-503-5622 |
| Primary Part Number | SLC4AL61 |
| 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 | 0.2470 INCHES MINIMUM AND 0.2485 INCHES MAXIMUM IN |
| Actuation Method | PUSH BUTTON |
| Detent to Tapered End Distance | 0.290 INCHES MAXIMUM IN |
| Detent Quantity | 2 |
| Actuation Type | PUSH |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM SPINDLE |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM SHANK |
| Pin Attachment Type | HOOK OR RING |
| Style Designator | L HANDLE |
| Grip Length | 6.100 INCHES MINIMUM AND 6.120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE SPINDLE |
| Surface Treatment | PASSIVATE SHANK |
| Pin Center to Handle End Distance | 1.380 INCHES MINIMUM AND 1.460 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 SHANK |
| Material | STEEL COMP 302 SPINDLE |
| Shoulder to Head End Distance | 1.270 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 |
|---|---|
| SLC4AL61 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| BLC4LA61SM | 5/2 Secondary reference U.S. Government activity |
| BLC4R61S | 5/2 Secondary reference U.S. Government activity |
| MS17986C461 | 3/2 Design control — primary reference U.S. Government activity |
| MS17986C461 | 5/9 Secondary reference U.S. Government activity |
| BLC4LA61S | 5/2 Secondary reference U.S. Government activity |
NSN 5315-00-503-5622 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 5315-00-503-5622 has 1 manufacturer part number on file: SLC4AL61 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
Key specifications for SLC4AL61: Shank Diameter: 0.2470 INCHES MINIMUM AND 0.2485 INCHES MAXIMUM IN; Actuation Method: PUSH BUTTON; Detent to Tapered End Distance: 0.290 INCHES MAXIMUM IN; Detent Quantity: 2. 16 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.