The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-471-1893, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 27 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-471-1893 |
| Primary Part Number | 7-367310025-21 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| First End Taper Length | 0.100 INCHES NOMINAL IN |
| First Step Diameter | 0.663 INCHES NOMINAL IN |
| Length | 1.740 INCHES NOMINAL SHOULDER IN |
| First End Location | UNTHREADED END |
| Third Step Diameter | 0.435 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN |
| Second End Taper Angle | 45.0 DEGREES NOMINAL |
| Hole Arrangement Style | ONE END DRILLED |
| Thread Length | 1.130 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.150 INCHES NOMINAL IN |
| Second Step Length | 1.000 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AMS5643,CONDA ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.030 INCHES NOMINAL IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Second Step Diameter | 0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Shoulder Diameter | 1.000 INCHES NOMINAL IN |
| Second End Style | CHAMFERED W/THRU HOLE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNF |
| Distance From Centerline of Hole to End of Pin | 0.200 INCHES NOMINAL IN |
| Third Step Length | 1.380 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 |
|---|---|
| 7-367310025-21 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-367310025 | D/9 Drawing number reference only Mcdonnell Douglas Helicopter Co Inc |
| 7-367310025-21 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 7-366710025 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5315-01-471-1893 is a Pin,shoulder,headless, manufactured by The Boeing Company, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-471-1893 has 1 manufacturer part number on file: 7-367310025-21 (The Boeing Company).
Key specifications for 7-367310025-21: First End Taper Length: 0.100 INCHES NOMINAL IN; First Step Diameter: 0.663 INCHES NOMINAL IN; Length: 1.740 INCHES NOMINAL SHOULDER IN; First End Location: UNTHREADED END. 27 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.