The Pin,straight,headed, cataloged under National Stock Number 5315-01-190-4791, 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 15 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 | 5315-01-190-4791 |
| Primary Part Number | ST3M681-05-21 |
| Item Name | Pin,straight,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Chamfer Length | 0.046 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | ONE END DRILLED |
| Under Head Length | 0.762 INCHES MINIMUM AND 0.802 INCHES MAXIMUM IN |
| Pin Chamfer Angle | 15.0 DEGREES NOMINAL |
| First Hole Diameter | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT |
| Pin Head Diameter | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Head Style | PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION) |
| Height | 0.046 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP XM-13 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.091 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 |
|---|---|
| ST3M681-05-21 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5315-01-190-4791 is a Pin,straight,headed, manufactured by The Boeing Company Div Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-190-4791 has 1 manufacturer part number on file: ST3M681-05-21 (The Boeing Company Div Defense).
Key specifications for ST3M681-05-21: Chamfer Length: 0.046 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hole Arrangement Style: ONE END DRILLED; Under Head Length: 0.762 INCHES MINIMUM AND 0.802 INCHES MAXIMUM IN. 15 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.