The Pin,straight,headless, cataloged under National Stock Number 5315-01-644-4426, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-644-4426 |
| Primary Part Number | 1548766-26 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OVERALL |
| Surface Treatment Document and Classification | MIL-P-16232E MIL SPEC 1ST TREATMENT RESPONSE AND MIL-L-25504 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| First End Counterbore Diameter | 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| First End Style | ROUND |
| Hardness Rating | 270.0 BRINELL STANDARD MINIMUM AND 295.0 BRINELL STANDARD MAXIMUM OVERALL |
| Material Document and Classification | SUB: OD8853, TY D, GD 1, CL A MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Pin Overall Diameter | 0.1850 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM IN |
| Pin Overall Length | 1.399 INCHES MINIMUM AND 1.421 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Surface Treatment | PHOSPHATE AND LUBRICANT OVERALL |
| Material | STEEL COMP 4130 OVERALL |
| First End Counterbore Depth | 0.052 INCHES MINIMUM AND 0.072 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 |
|---|---|
| 1548766-26 | Imperial Machine & Tool Co (USA) |
| 1548766-26 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1548766-26 | Weiss-Aug Co Inc Dba Weiss-Aug Co Inc (USA) |
NSN 5315-01-644-4426 is a Pin,straight,headless, 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 5315-01-644-4426 has 3 manufacturer part numbers on file: 1548766-26 (Imperial Machine & Tool Co), 1548766-26 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1548766-26 (Weiss-Aug Co Inc Dba Weiss-Aug Co Inc).
Key specifications for 1548766-26: Surface Finish: 63.0 MICROINCHES OVERALL; Surface Treatment Document and Classification: MIL-P-16232E MIL SPEC 1ST TREATMENT RESPONSE AND MIL-L-25504 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; First End Counterbore Diameter: 0.135 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; First End Style: ROUND. 12 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.