The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-290-2276, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Fruehauf Corp Fruehauf Trailer Opns. 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 | 5315-01-290-2276 |
| Primary Part Number | A-CF3378-1 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Fruehauf Corp Fruehauf Trailer Opns |
| Status | ACTIVE |
| Shank Diameter | 1.0550 INCHES MINIMUM AND 1.0565 INCHES MAXIMUM IN |
| Second Shank Diameter | 1.0550 INCHES MINIMUM AND 1.0565 INCHES MAXIMUM IN |
| Surface Finish | 65.0 MICROINCHES OUTSIDE DIAMETER |
| First End Location | BOTH ENDS |
| First End Style | SQUARE |
| Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Length | 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 1.2475 INCHES MINIMUM AND 1.2490 INCHES MAXIMUM IN |
| Second Shank Length | 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE ZINC OVERALL |
| Material | STEEL COMP 1045 OR STEEL COMP 1144 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 |
|---|---|
| A-CF3378-1 PRIMARY | Fruehauf Corp Fruehauf Trailer Opns (USA) |
NSN 5315-01-290-2276 is a Pin,shoulder,headless, manufactured by Fruehauf Corp Fruehauf Trailer Opns, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-290-2276 has 1 manufacturer part number on file: A-CF3378-1 (Fruehauf Corp Fruehauf Trailer Opns).
Key specifications for A-CF3378-1: Shank Diameter: 1.0550 INCHES MINIMUM AND 1.0565 INCHES MAXIMUM IN; Second Shank Diameter: 1.0550 INCHES MINIMUM AND 1.0565 INCHES MAXIMUM IN; Surface Finish: 65.0 MICROINCHES OUTSIDE DIAMETER; First End Location: BOTH ENDS. 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.