The Pin,quick Release, cataloged under National Stock Number 5315-01-220-8048, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-220-8048 |
| Primary Part Number | HS4372B8-12C |
| Item Name | Pin,quick Release |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Shank Diameter | 0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN |
| Actuation Method | PUSH BUTTON |
| Detent to Tapered End Distance | 0.430 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Detent Quantity | 1 |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Button Handle Diameter | 1.355 INCHES MINIMUM AND 1.395 INCHES MAXIMUM IN |
| Actuation Type | PUSH |
| Pin Attachment Type | HOOK |
| Style Designator | BUTTON |
| Material Document and Classification | AAMS5643 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Grip Length | 1.200 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Shear Strength | 36800 DOUBLE POUNDS PER SQUARE INCH |
| Material | STEEL COMP 630 OVERALL |
| Shoulder to Head End Distance | 1.235 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 |
|---|---|
| HS4372B8-12C | Marathonnorco Aerospace, Inc. (USA) |
| HS4372B8-12C PRIMARY | The Boeing Company (USA) |
| 157PQRP6C8B12 | Qrp Inc (USA) |
| Reference | Meaning |
|---|---|
| HS4372B8-12C | 5/9 Secondary reference U.S. Government activity |
| HS4372B8-12C | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 157PQRP6S8B12 | 5/9 Secondary reference Qrp Inc |
NSN 5315-01-220-8048 is a Pin,quick Release, manufactured by The Boeing Company, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-220-8048 has 3 manufacturer part numbers on file: HS4372B8-12C (Marathonnorco Aerospace, Inc.), HS4372B8-12C (The Boeing Company), 157PQRP6C8B12 (Qrp Inc).
Key specifications for HS4372B8-12C: Shank Diameter: 0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN; Actuation Method: PUSH BUTTON; Detent to Tapered End Distance: 0.430 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN; Detent Quantity: 1. 15 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.