The Pin,straight,headed, cataloged under National Stock Number 5315-00-357-2031, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-357-2031 |
| Primary Part Number | ST3M627-5-35 |
| Item Name | Pin,straight,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Chamfer Length | 0.078 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | PS13102 CL B FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | ONE END DRILLED |
| Under Head Length | 1.272 INCHES MINIMUM AND 1.292 INCHES MAXIMUM IN |
| Pin Chamfer Angle | 15.0 DEGREES NOMINAL |
| First Hole Diameter | 0.099 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT |
| Pin Head Diameter | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.371 INCHES MINIMUM AND 0.373 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 | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM 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 |
|---|---|
| ST3M627-5-35 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| ST3M627-5-35 | 5/9 Secondary reference Acme Machine Products |
| ST3M627-5-35 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
NSN 5315-00-357-2031 is a Pin,straight,headed, manufactured by The Boeing Company Div Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-357-2031 has 1 manufacturer part number on file: ST3M627-5-35 (The Boeing Company Div Defense).
Key specifications for ST3M627-5-35: Chamfer Length: 0.078 INCHES NOMINAL IN; Surface Treatment Document and Classification: PS13102 CL B FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Hole Arrangement Style: ONE END DRILLED; Under Head Length: 1.272 INCHES MINIMUM AND 1.292 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.