The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-185-8783, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-185-8783 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.145 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.145 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN |
| Undercut Width | 0.094 INCHES NOMINAL IN |
| Undercut Diameter | 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| First End Location | SQUARE END |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 1,2 OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.206 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Shank Length | 0.206 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.100 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Second Shank Length | 0.670 INCHES NOMINAL IN |
| Shoulder Width Across Flats | 0.250 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Tip Radius | 0.030 INCHES NOMINAL IN |
| Second End Style | CHAMFERED |
| Thread Class | 2A A |
| Material | STEEL COMP 303 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 |
| Reference | Meaning |
|---|---|
| 750507-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-185-8783 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5342-01-361-9722. Verify interchangeability with system specifications before substitution.
Key specifications for 5315-01-185-8783: Shank Diameter: 0.145 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN; Second Shank Diameter: 0.145 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN; Undercut Width: 0.094 INCHES NOMINAL IN; Undercut Diameter: 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN. 23 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.