The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-483-0367, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-483-0367 |
| Primary Part Number | 3M943C4B5-6 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Shank Diameter | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| First End Taper Length | 0.030 INCHES NOMINAL IN |
| First End Location | THREADED END |
| Surface Treatment Document and Classification | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.450 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Shank Length | 0.718 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AMS-QQ-S-663 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.120 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 | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Second Shank Length | 0.495 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Tip Radius | 0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Second End Style | CHAMFERED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| 3M943C4B5-6 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| VS3258C4B5-6 PRIMARY | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| 3M943C4B5-6 PRIMARY | G.s. Precision, Inc. (USA) |
| D792684BC5-6 PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| 3M943C4B5-6 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M943C4B5-6 PRIMARY | Hi-Shear Corporation (USA) |
| 3M943C4B5-6 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M943C4B5-6 | The Boeing Company Div Defense (USA) |
| 11415C4B5-6 PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 3M943C4B5-6 | 5/9 Secondary reference Sps Technologies Inc |
| D792684BC5-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5315-01-483-0367 is a Pin,shoulder,headless, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-483-0367 has 9 manufacturer part numbers on file: 3M943C4B5-6 (Sps Technologies, Llc Dba PB Fasteners), VS3258C4B5-6 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), 3M943C4B5-6 (G.s. Precision, Inc.), D792684BC5-6 (Huck International, Inc. Div Huck Products Division), 3M943C4B5-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 4 more.
Key specifications for 3M943C4B5-6: Shank Diameter: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; First End Taper Length: 0.030 INCHES NOMINAL IN; First End Location: THREADED END; Surface Treatment Document and Classification: AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 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.