The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-326-5939, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 26 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 | 5315-01-326-5939 |
| Primary Part Number | 245AS533 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Shank Diameter | 0.312 INCHES NOMINAL IN |
| Second Shank Diameter | 0.2486 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN |
| Surface Finish | 63.0 MICROINCHES UNTHREADED END |
| Undercut Width | 0.070 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| First End Taper Length | 0.040 INCHES MAXIMUM IN |
| Undercut Diameter | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Second End Taper Angle | 8.0 DEGREES MINIMUM AND 12.0 DEGREES MAXIMUM |
| Thread Length | 0.610 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN |
| First End Style | CHAMFERED |
| Shank Length | 0.610 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN |
| Style Designator | UNDERCUT |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| First End Taper Angle | 50.0 DEGREES MAXIMUM |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Second Shank Length | 1.187 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN |
| Shoulder Width Across Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | CHAMFERED |
| Thread Class | 2A A |
| Material | STEEL COMP 630 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 |
|---|---|
| 245AS533 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5315-01-326-5939 is a Pin,shoulder,headless, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-326-5939 has 1 manufacturer part number on file: 245AS533 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 245AS533: Shank Diameter: 0.312 INCHES NOMINAL IN; Second Shank Diameter: 0.2486 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN; Surface Finish: 63.0 MICROINCHES UNTHREADED END; Undercut Width: 0.070 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN. 26 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.