The Pin,grooved,headed, cataloged under National Stock Number 5315-01-594-8797, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-594-8797 |
| Primary Part Number | 2531003 |
| Item Name | Pin,grooved,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Width Across Flats | 0.437 INCHES NOMINAL IN |
| Undercut Diameter | 0.218 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-P-16232, TYPE M, CLASS I MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Under Head Length | 0.74 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | GROOVE |
| Material Document and Classification | QQ-S-624,4140 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Height | 0.156 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Undercut Radius | 0.015 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN |
| Material | STEEL COMP 4140 OVERALL |
| 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 |
|---|---|
| 2531003 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5315-01-594-8797 is a Pin,grooved,headed, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-594-8797 has 1 manufacturer part number on file: 2531003 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2531003: Width Across Flats: 0.437 INCHES NOMINAL IN; Undercut Diameter: 0.218 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-P-16232, TYPE M, CLASS I MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Under Head Length: 0.74 INCHES NOMINAL IN. 14 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.