The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-194-0827, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.. Government technical data includes 19 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 | 5315-01-194-0827 |
| Primary Part Number | B34138-4 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. |
| Status | ACTIVE |
| First Step Diameter | 3.500 INCHES NOMINAL IN |
| First End Location | BOTH ENDS |
| Third Step Diameter | 1.250 INCHES NOMINAL IN |
| Hole Arrangement Style | ONE END DRILLED |
| Thread Length | 1.375 INCHES NOMINAL IN |
| First End Style | SQUARE |
| First Hole Diameter | 0.312 INCHES NOMINAL IN |
| Second Step Length | 5.469 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Second End Relationship with First End | IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Second Step Diameter | 1.497 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| First Step Length | 0.312 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Centerline of Hole to End of Pin | 0.375 INCHES NOMINAL IN |
| Third Step Length | 1.500 INCHES NOMINAL 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 |
|---|---|
| B34138-4 PRIMARY | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA) |
NSN 5315-01-194-0827 is a Pin,shoulder,headless, manufactured by Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp., classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-194-0827 has 1 manufacturer part number on file: B34138-4 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).
Key specifications for B34138-4: First Step Diameter: 3.500 INCHES NOMINAL IN; First End Location: BOTH ENDS; Third Step Diameter: 1.250 INCHES NOMINAL IN; Hole Arrangement Style: ONE END DRILLED. 19 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.