The Pin,quick Release, cataloged under National Stock Number 5315-01-355-5979, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Boeing Distribution Services SAS. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-355-5979 |
| Primary Part Number | 55574-2 |
| Item Name | Pin,quick Release |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Boeing Distribution Services SAS |
| Status | ACTIVE |
| Shank Diameter | 0.587 INCHES MINIMUM AND 0.589 INCHES MAXIMUM IN |
| Actuation Method | PUSH BUTTON |
| Detent to Tapered End Distance | 4.350 INCHES MINIMUM AND 4.389 INCHES MAXIMUM IN |
| Style Designator | BUTTON |
| Material | STEEL OVERALL |
| Shoulder to Head End Distance | 1.417 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 |
|---|---|
| 55574-2 | Boeing Distribution Services SAS (FRA) |
| Reference | Meaning |
|---|---|
| 55574-2 | 3/2 Design control — primary reference U.S. Government activity |
| 55574-2 | 5/9 Secondary reference Klx Aerospace Solutions II SAS |
NSN 5315-01-355-5979 is a Pin,quick Release, manufactured by Boeing Distribution Services SAS, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-355-5979 has 1 manufacturer part number on file: 55574-2 (Boeing Distribution Services SAS).
Key specifications for 55574-2: Shank Diameter: 0.587 INCHES MINIMUM AND 0.589 INCHES MAXIMUM IN; Actuation Method: PUSH BUTTON; Detent to Tapered End Distance: 4.350 INCHES MINIMUM AND 4.389 INCHES MAXIMUM IN; Style Designator: BUTTON. 6 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.