The Pin,quick Release, cataloged under National Stock Number 5315-00-159-1538, 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 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-159-1538 |
| Primary Part Number | SLS3AL18 |
| 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 | 0.1870 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN |
| Actuation Method | PUSH BUTTON |
| Detent to Tapered End Distance | 0.260 INCHES MAXIMUM IN |
| Detent Quantity | 2 |
| 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 | L 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 | 1.800 INCHES MINIMUM AND 1.820 INCHES MAXIMUM IN |
| Pin Center to Handle End Distance | 1.380 INCHES MINIMUM AND 1.460 INCHES MAXIMUM IN |
| Shear Strength | 4600 DOUBLE POUND |
| Material | STEEL COMP 4130 SHANK |
| Material | STEEL COMP 4130 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 |
|---|---|
| SLS3AL18 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| MS17986-318 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| LG3SL18M | 5/9 Secondary reference Southco Inc. |
| BLS3LA18S | 5/2 Secondary reference U.S. Government activity |
| MS17986-318 | 3/2 Design control — primary reference U.S. Government activity |
| MS17986-318 | 5/9 Secondary reference U.S. Government activity |
| LG3SL1800 | 5/9 Secondary reference Southco Inc. |
| LG3SL18M | 5/9 Secondary reference U.S. Government activity |
| LG3SL1800 | 5/9 Secondary reference U.S. Government activity |
NSN 5315-00-159-1538 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 5315-00-159-1538 has 2 manufacturer part numbers on file: SLS3AL18 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), MS17986-318 (Fairchild Fasteners Europe - Vsd Gmbh).
Key specifications for SLS3AL18: Shank Diameter: 0.1870 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN; Actuation Method: PUSH BUTTON; Detent to Tapered End Distance: 0.260 INCHES MAXIMUM IN; Detent Quantity: 2. 17 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.