The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-102-4891, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-102-4891 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.187 INCHES NOMINAL IN |
| Second Shank Diameter | 0.187 INCHES NOMINAL IN |
| Undercut Width | 0.090 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| First End Taper Length | 0.030 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Undercut Diameter | 0.133 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| Thread Length | 0.290 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Shank Length | 0.290 INCHES NOMINAL IN |
| Style Designator | UNDERCUT |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Second Shank Length | 0.528 INCHES NOMINAL IN |
| Shoulder Width Across Flats | 0.375 INCHES NOMINAL IN |
| Second End Style | RADIUS |
| Thread Class | 3A A |
| Material | STEEL COMP 4130 OVERALL |
| Second End Corner Radius | 0.030 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 4F63486-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-00-102-4891 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-00-102-4891: Shank Diameter: 0.187 INCHES NOMINAL IN; Second Shank Diameter: 0.187 INCHES NOMINAL IN; Undercut Width: 0.090 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; First End Taper Length: 0.030 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN. 22 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.