The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-441-5529, 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 Div Defense. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-441-5529 |
| Primary Part Number | 68A870638-2005 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.255 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Finish | 63.0 MICROINCHES RADIUS END |
| First End Taper Length | 0.040 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| Second End Taper Angle | 39.5 DEGREES MINIMUM AND 40.5 DEGREES MAXIMUM |
| Thread Length | 0.400 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Shank Length | 0.580 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-T-9047, COMP 6,COND ANL MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.330 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 | 0.250 INCHES IN |
| Shoulder Diameter | 0.625 INCHES NOMINAL IN |
| Second Shank Length | 0.950 INCHES NOMINAL IN |
| Second End Tip Radius | 0.060 INCHES NOMINAL IN |
| Second End Style | CHAMFERED |
| Thread Class | 3A A |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 68A870638-2005 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 68A870638-2005 | 5/9 Secondary reference Harlow Aerostructures, Llc |
NSN 5315-01-441-5529 is a Pin,shoulder,headless, manufactured by The Boeing Company Div Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-441-5529 has 1 manufacturer part number on file: 68A870638-2005 (The Boeing Company Div Defense).
Key specifications for 68A870638-2005: Shank Diameter: 0.255 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN; Second Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Surface Finish: 63.0 MICROINCHES RADIUS END; First End Taper Length: 0.040 INCHES MINIMUM AND 0.070 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.