The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-206-7582, 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 24 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-206-7582 |
| Primary Part Number | 3M943C4-6-16 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| First End Location | SQUARE END |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | ONE END DRILLED |
| Thread Length | 0.405 INCHES NOMINAL IN |
| First End Style | SQUARE |
| First Hole Diameter | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN |
| Shank Length | 0.405 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-763 COND B FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Second End Taper Length | 0.230 INCHES MINIMUM AND 0.270 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 | 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM 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 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Centerline of Hole to End of Pin | 0.140 INCHES NOMINAL IN |
| 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 |
|---|---|
| 3M943C4-6-16 | Hi-Shear Corporation (USA) |
| 3M943C4-6-16 PRIMARY | The Boeing Company Div Defense (USA) |
| 3M943C4-6-16 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| 3M943C4-6-16 | 5/9 Secondary reference G.s. Precision, Inc. |
| D792683C46N16 | 5/9 Secondary reference U.S. Government activity |
| AAP139C4-6-16 | 5/9 Secondary reference U.S. Government activity |
| 3M943C4-6-16 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 3M943C4-6-16 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 3M943C4-6-16 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| D792683C46N16 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| PC97002-2 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Rc Displays Systems |
| VS3258C4-6-16 | 5/2 Secondary reference U.S. Government activity |
| 11415C4-6-16 | 5/9 Secondary reference Reid Products Inc. Dba Reid Products Inc |
| 3M943C4-6-16 | 5/9 Secondary reference Sps Technologies Ltd, Tj Brooks Division |
| 3M943C4-6-16 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
NSN 5315-01-206-7582 is a Pin,shoulder,headless, manufactured by The Boeing Company Div Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-206-7582 has 3 manufacturer part numbers on file: 3M943C4-6-16 (Hi-Shear Corporation), 3M943C4-6-16 (The Boeing Company Div Defense), 3M943C4-6-16 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for 3M943C4-6-16: 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: SQUARE END; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 24 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.