The Pin,grooved,headless, cataloged under National Stock Number 5315-01-263-4378, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 11 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 | 5315-01-263-4378 |
| Primary Part Number | 789AS578 |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Undercut Width | 0.125 INCHES NOMINAL IN |
| Undercut Diameter | 0.312 INCHES NOMINAL IN |
| First End Location | SQUARE END |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 1 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B 633,FE/ZA25 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| First End Style | SQUARE |
| Style Designator | GROOVE |
| Diameter | 0.433 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Effective Length | 0.970 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OR ZINC OVERALL |
| Material | STEEL COMP 4130 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 |
|---|---|
| 789AS578 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5315-01-263-4378 is a Pin,grooved,headless, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-263-4378 has 1 manufacturer part number on file: 789AS578 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 789AS578: Undercut Width: 0.125 INCHES NOMINAL IN; Undercut Diameter: 0.312 INCHES NOMINAL IN; First End Location: SQUARE END; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 1 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B 633,FE/ZA25 ASSN STD 2ND TREATMENT RESPONSE OVERALL. 11 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.