The Pin,quick Release, cataloged under National Stock Number 5315-01-043-2039, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 20 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-043-2039 |
| Primary Part Number | GP510R1R4L23 |
| Item Name | Pin,quick Release |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.2470 INCHES MINIMUM AND 0.2485 INCHES MAXIMUM IN |
| Actuation Method | PUSH BUTTON |
| Detent to Tapered End Distance | 0.220 INCHES MINIMUM AND 0.320 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 |
| Actuation Type | PUSH |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM SPINDLE |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM SHANK |
| Style Designator | L HANDLE |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE SPINDLE |
| Material Document and Classification | AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5657 ASSN STD 2ND MATERIAL RESPONSE SHANK |
| Specification/standard Data | 26512-G+510R MANUFACTURERS SPECIFICATION |
| Grip Length | 2.300 INCHES MINIMUM AND 2.320 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE SPINDLE |
| Surface Treatment | PASSIVATE SHANK |
| Pin Center to Handle End Distance | 1.155 INCHES MINIMUM AND 1.450 INCHES MAXIMUM IN |
| Material | STEEL COMP 630 OR STEEL COMP 632 SHANK |
| Material | STEEL COMP 630 SPINDLE |
| Shoulder to Head End Distance | 1.290 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 |
|---|---|
| GP510R1R4L23 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 19213GR4L23 | 5/9 Secondary reference Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| GP51R1R4L23 | 5/2 Secondary reference U.S. Government activity |
| 50921R4L23N | 5/9 Secondary reference U.S. Government activity |
NSN 5315-01-043-2039 is a Pin,quick Release, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-043-2039 has 1 manufacturer part number on file: GP510R1R4L23 (Northrop Grumman Systems Corporation).
Key specifications for GP510R1R4L23: Shank Diameter: 0.2470 INCHES MINIMUM AND 0.2485 INCHES MAXIMUM IN; Actuation Method: PUSH BUTTON; Detent to Tapered End Distance: 0.220 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN; Detent Quantity: 2. 20 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.