The Pin,grooved,headless, cataloged under National Stock Number 5315-01-026-2319, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-026-2319 |
| Primary Part Number | 66A79C123-1 |
| 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 |
| First End Location | SQUARE END |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | SQUARE |
| Intermediate Diameter | 0.161 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | CENTER GROOVE |
| Second End Relationship with First End | IDENTICAL |
| Pin Small End Diameter | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Shear Strength | 2236 SINGLE POUNDS PER SQUARE INCH |
| Material | STEEL 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 |
|---|---|
| 66A79C123-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| HIALOY-SHEARPROF5-32X2INTYP-E-CP | 3/2 Design control — primary reference U.S. Government activity |
| 66A79C123-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5315-01-026-2319 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 5315-01-026-2319 has 1 manufacturer part number on file: 66A79C123-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 66A79C123-1: First End Location: SQUARE END; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; First End Style: SQUARE; Intermediate Diameter: 0.161 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN. 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.