The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-526-4121, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is A and M Aerospace, Inc.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-526-4121 |
| Primary Part Number | 352273 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | A and M Aerospace, Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Surface Finish | 32.0 MICROINCHES OUTSIDE DIAMETER |
| First End Location | SHOULDER END |
| Thread Length | 0.825 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN |
| First End Style | CHAMFERED |
| Shank Length | 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Shoulder Diameter | 0.6229 INCHES MINIMUM AND 0.6239 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM OVERALL |
| Second End Style | CHAMFERED |
| Thread Class | 3A A |
| Material | STEEL COMP 8630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5315-00-526-4121 is a Pin,shoulder,headless, manufactured by A and M Aerospace, Inc., classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-526-4121 has 2 manufacturer part numbers on file: 352273 (A and M Aerospace, Inc.), 352273 (G M J Machine Co, Inc Div G.m.j. Machine Company, Inc.).
Key specifications for 352273: Shank Diameter: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER; First End Location: SHOULDER END; Thread Length: 0.825 INCHES MINIMUM AND 0.855 INCHES MAXIMUM IN. 17 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.