The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-513-1887, 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 Div PB Fasteners. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-01-513-1887 |
| Primary Part Number | 3M943C3-6-4 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Shank Diameter | 0.189 INCHES NOMINAL IN |
| Second Shank Diameter | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| First End Location | THREADED END |
| Surface Treatment Document and Classification | AMS QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.405 INCHES NOMINAL IN |
| First End Style | SQUARE |
| Shank Length | 0.780 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-763 COND B FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 COND B FED SPEC 2ND MATERIAL RESPONSE OR MMS265 COND B FSCM 76301 MFR REF 3RD MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.288 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Second Shank Length | 0.413 INCHES NOMINAL IN |
| Shoulder Width Across Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM 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 | 32 |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 3M943C3-6-4 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| VS3258C3-6-4 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| 3M943C3-6-4 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| WC943C3-6-4 | West Coast Aerospace, Inc. (USA) |
| 3M943C3-6-4 | The Boeing Company Div Defense (USA) |
| 3M943C3-6-4 | G.s. Precision, Inc. (USA) |
| 3M943C3-6-4 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| 3M943C3-6-4 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| D792682C6N4 | Huck International, Inc (USA) |
| 11415C3-6-4 | Reid Products Inc. Dba Reid Products Inc (USA) |
| 3M943C3-6-4 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| 3M943C3-6-4 | Hi-Shear Corporation (USA) |
| 3M943C3-6-4 | Saturn Fasteners Inc (USA) |
| 3M943C3-6-4 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M943C3-6-4 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M943C3-6-4 PRIMARY | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| 3M943C3-6-4 | Houston Precision Fasteners I Lp (USA) |
| 3M943C3-6-4 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| AAP139C3-6-4 | 3/2 Design control — primary reference U.S. Government activity |
| 3M943C3-6-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-513-1887 is a Pin,shoulder,headless, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-513-1887 has 18 manufacturer part numbers on file: 3M943C3-6-4 (Sps Technologies, Llc Dba PB Fasteners), VS3258C3-6-4 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), 3M943C3-6-4 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), WC943C3-6-4 (West Coast Aerospace, Inc.), 3M943C3-6-4 (The Boeing Company Div Defense) and 13 more.
Key specifications for 3M943C3-6-4: Shank Diameter: 0.189 INCHES NOMINAL IN; Second Shank Diameter: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM 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.