The Pin-Rivet, cataloged under National Stock Number 5320-01-475-9181, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-475-9181 |
| Primary Part Number | ST3M861V05B6 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.163 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN |
| Lubrication | DRY FILM OR SOLID FILM AND CETYL ALCOHOL |
| Material Document and Classification | NAS621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Grip Length | 0.375 INCHES NOMINAL IN |
| Shank Style | STUMP |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Material | TITANIUM OVERALL |
| Head Major Diameter | 0.246 INCHES MINIMUM AND 0.256 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 |
|---|---|
| ST3M861V05B6 PRIMARY | The Boeing Company Div Defense (USA) |
| AIC949V05B6 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| VLB240-5B6 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| ST3M861V05B6 | 5/9 Secondary reference Sps Technologies Inc |
| 111135-05B6 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-475-9181 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-475-9181 has 3 manufacturer part numbers on file: ST3M861V05B6 (The Boeing Company Div Defense), AIC949V05B6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), VLB240-5B6 (Howmet Global Fastening Systems Inc).
Key specifications for ST3M861V05B6: Shank Diameter: 0.163 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN; Lubrication: DRY FILM OR SOLID FILM AND CETYL ALCOHOL; Material Document and Classification: NAS621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Head Style: FLUSH COUNTERSUNK. 9 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.