The Pin,straight,headed, cataloged under National Stock Number 5315-01-166-3726, 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 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-166-3726 |
| Primary Part Number | ST3M627-3-13 |
| Item Name | Pin,straight,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Chamfer Length | 0.062 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-C-320 CL 2,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | ONE END DRILLED |
| Under Head Length | 0.547 INCHES NOMINAL IN |
| Pin Chamfer Angle | 15.0 DEGREES NOMINAL |
| First Hole Diameter | 0.066 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | STRAIGHT |
| Pin Head Diameter | 0.375 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.246 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Head Style | PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION) |
| Height | 0.062 INCHES NOMINAL IN |
| Surface Treatment | CHROMIUM OVERALL |
| Material | STEEL COMP XM-13 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.165 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 |
|---|---|
| ST3M627-3-13 PRIMARY | The Boeing Company Div Defense (USA) |
| 3929AS1131-3-13 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| ST3M627-3-13 | 5/9 Secondary reference Acme Machine Products |
| ST3M627-3-13 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| 10123176 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5315-01-166-3726 is a Pin,straight,headed, manufactured by The Boeing Company Div Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-166-3726 has 2 manufacturer part numbers on file: ST3M627-3-13 (The Boeing Company Div Defense), 3929AS1131-3-13 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for ST3M627-3-13: Chamfer Length: 0.062 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-C-320 CL 2,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hole Arrangement Style: ONE END DRILLED; Under Head Length: 0.547 INCHES NOMINAL IN. 16 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.