The Pin-Rivet, cataloged under National Stock Number 5320-00-367-6481, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-367-6481 |
| Primary Part Number | ST3M427C4-3 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Fastener Length | 0.391 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Grip Length | 0.126 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Shank Style | STUMP |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Material | IRON ALLOY 660 OVERALL |
| Head Major Diameter | 0.180 INCHES MINIMUM AND 0.211 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 |
|---|---|
| ST3M427C4-3 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M427C4-3 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 10123717 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| SLS100CT-EU4-3 | 5/9 Secondary reference Huck International, Inc |
| SLS100CT-EU4-3 | 5/9 Secondary reference U.S. Government activity |
| SLS100CT-EU4-3 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| SLS100CT-EU4-3 | 5/9 Secondary reference U.S. Government activity |
| ST3M427C4-3 | 5/2 Secondary reference U.S. Government activity |
| SLS100CTEU4-3 | 5/9 Secondary reference Huck Mfg Co |
| SLS100CT-EU4-3 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| ST3M427C4-3 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| ST3M427C4-3 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-00-367-6481 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-367-6481 has 2 manufacturer part numbers on file: ST3M427C4-3 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M427C4-3 (Huck International, Inc).
Key specifications for ST3M427C4-3: Fastener Length: 0.391 INCHES MAXIMUM IN; Material Document and Classification: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Head Style: FLUSH COUNTERSUNK; Grip Length: 0.126 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN. 10 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.