The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-216-5810, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Reid Products Inc. Dba Reid Products Inc. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-216-5810 |
| Primary Part Number | 11415C4-3-4 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Reid Products Inc. Dba Reid Products Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 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 | 45.0 DEGREES NOMINAL |
| Thread Length | 0.405 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Shank Length | 0.500 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR MMS625,FSCM 76301 MFR REF 3RD MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Second Shank Length | 0.593 INCHES NOMINAL IN |
| Shoulder Width Across Flats | 0.438 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 |
| Material | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303SE 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 |
|---|---|
| 3M943C4-3-4 | Hi-Shear Corporation (USA) |
| 3M943C4-3-4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M943C4-3-4 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 11415C4-3-4 PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M943C4-3-4 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3M943C4-3-4 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| D792683C3N4 PRIMARY | Huck International, Inc (USA) |
| 3M943C4-3-4 | G.s. Precision, Inc. (USA) |
| 3M943C4-3-4 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| 3M943C4-3-4 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| 3M943C4-3-4 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 3M943C4-3-4 | 5/2 Secondary reference U.S. Government activity |
| AAP139C4-3-4 | 5/2 Secondary reference U.S. Government activity |
| 10123221 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| VS3258C4-3-4 | 5/2 Secondary reference U.S. Government activity |
| D792683C3N4 | 5/9 Secondary reference U.S. Government activity |
| 3M943C4-3-4 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5315-01-216-5810 is a Pin,shoulder,headless, manufactured by Reid Products Inc. Dba Reid Products Inc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-216-5810 has 11 manufacturer part numbers on file: 3M943C4-3-4 (Hi-Shear Corporation), 3M943C4-3-4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3M943C4-3-4 (Reid Products Inc. Dba Reid Products Inc), 11415C4-3-4 (Reid Products Inc. Dba Reid Products Inc), 3M943C4-3-4 (Sps Technologies, Llc Dba PB Fasteners) and 6 more.
Key specifications for 11415C4-3-4: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Second Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; First End Location: THREADED END; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 22 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.