The Pin,quick Release, cataloged under National Stock Number 5315-00-406-6553, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Southco, S. De R.l. De C.v. Government technical data includes 19 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-406-6553 |
| Primary Part Number | LW1592-1 |
| Item Name | Pin,quick Release |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Southco, S. De R.l. De C.v |
| Status | ACTIVE |
| Shank Diameter | 0.1870 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Actuation Method | PUSH BUTTON |
| Detent to Tapered End Distance | 0.260 INCHES MAXIMUM IN |
| Detent Quantity | 2 |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHANK |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPINDLE |
| Handle Length | 1.750 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Actuation Type | PUSH |
| Hardness Rating | 54.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM DETENT |
| Style Designator | T HANDLE |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE SPINDLE |
| Material Document and Classification | AMS 5657 ASSN STD SINGLE MATERIAL RESPONSE SHANK |
| Grip Length | 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE SPINDLE |
| Surface Treatment | PASSIVATE SHANK |
| Material | STEEL COMP 630 SPINDLE |
| Material | STEEL COMP 632 SHANK |
| Shoulder to Head End Distance | 1.450 INCHES MAXIMUM IN |
| Head Diameter | 0.630 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 |
|---|---|
| LW1592-1 PRIMARY | Southco, S. De R.l. De C.v (MEX) |
| SL20249 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| 52205 | 5/2 Secondary reference U.S. Government activity |
| LW1592-1 | 3/9 Design control — primary reference Southco Inc. |
| STBP18AU3-3 | 5/9 Secondary reference U.S. Government activity |
| LW1592-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5315-00-406-6553 is a Pin,quick Release, manufactured by Southco, S. De R.l. De C.v, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-406-6553 has 2 manufacturer part numbers on file: LW1592-1 (Southco, S. De R.l. De C.v), SL20249 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
3 possible matches (shared part number, not a government interchangeability claim): 5815-00-600-3035, 5342-01-424-8681, 4730-01-588-9252. Verify interchangeability with system specifications before substitution.
Key specifications for LW1592-1: Shank Diameter: 0.1870 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Actuation Method: PUSH BUTTON; Detent to Tapered End Distance: 0.260 INCHES MAXIMUM IN; Detent Quantity: 2. 19 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.