The Pin-Rivet, cataloged under National Stock Number 5320-01-593-8355, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-593-8355 |
| Primary Part Number | ST3M825C4-5-12 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Shank Diameter | 0.249 INCHES NOMINAL IN |
| Head Height | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Fastener Length | 0.697 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN |
| Head Style | STRAIGHT PAN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Width Between Flats | 0.094 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.387 INCHES MINIMUM AND 0.412 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 |
|---|---|
| ST3M825C4-5-12 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M825C4-5-12 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HLT64TB-8-5-12 | Hi-Shear Corporation (USA) |
| ST3M825C4-5-12 PRIMARY | Huck International, Inc (USA) |
| ST3M825C4-5-12 PRIMARY | Hi-Shear Corporation (USA) |
| ST3M825C4-5-12 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HLT64TB-8-5-12 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| ST3M825C4-5-12 | 3/2 Design control — primary reference U.S. Government activity |
| ST3M825C4-5-12 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5320-01-593-8355 is a Pin-Rivet, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-593-8355 has 7 manufacturer part numbers on file: ST3M825C4-5-12 (Sps Technologies, Llc Dba PB Fasteners), ST3M825C4-5-12 (West Coast Aerospace, Inc.), HLT64TB-8-5-12 (Hi-Shear Corporation), ST3M825C4-5-12 (Huck International, Inc), ST3M825C4-5-12 (Hi-Shear Corporation) and 2 more.
Key specifications for ST3M825C4-5-12: Shank Diameter: 0.249 INCHES NOMINAL IN; Head Height: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Fastener Length: 0.697 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN; Head Style: STRAIGHT PAN. 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.