The Pin-Rivet, cataloged under National Stock Number 5320-01-718-7161, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-718-7161 |
| Primary Part Number | ST3M512-8-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.235 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.058 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Fastener Length | 0.496 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2700, METHOD 1 OR 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5629, PH13-8MO NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Grip Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Shank Style | STUMP |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL COMP XM-13 OVERALL |
| Head Major Diameter | 0.363 INCHES MINIMUM AND 0.377 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 |
|---|---|
| ST3M512-8-4 | Houston Precision Fasteners I Lp (USA) |
| 2608MU-4 | Howmet Global Fastening Systems Inc (USA) |
| 2608MU-4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M512-8-4 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 2608MU-4 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-718-7161 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-718-7161 has 4 manufacturer part numbers on file: ST3M512-8-4 (Houston Precision Fasteners I Lp), 2608MU-4 (Howmet Global Fastening Systems Inc), 2608MU-4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M512-8-4 (The Boeing Company Div Defense).
Key specifications for ST3M512-8-4: Shank Diameter: 0.235 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.058 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Fastener Length: 0.496 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN. 13 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.