The Pin-Rivet, cataloged under National Stock Number 5320-00-288-3370, 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 12 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-288-3370 |
| Primary Part Number | ST3M428C5-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.036 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN |
| Fastener Length | 0.488 INCHES MAXIMUM IN |
| Hardness Rating | 76.1 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 80.9 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Grip Length | 0.189 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Shank Style | STUMP |
| Surface Treatment | PASSIVATE OVERALL |
| Material | IRON ALLOY 660 OVERALL |
| Head Major Diameter | 0.235 INCHES MINIMUM AND 0.249 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 |
|---|---|
| SLSPCT-EU05-04 | Huck International, Inc (USA) |
| ST3M428C5-4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M428C5-4 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| SLSPCTEU5-4 | 5/9 Secondary reference U.S. Government activity |
| ST3M428C5-4 | 5/2 Secondary reference U.S. Government activity |
| SLSPCTEU5-4 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| SLSPCTEU5-4 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| SLSPCTEU5-4 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-00-288-3370 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-288-3370 has 3 manufacturer part numbers on file: SLSPCT-EU05-04 (Huck International, Inc), ST3M428C5-4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M428C5-4 (The Boeing Company Div Defense).
Key specifications for ST3M428C5-4: Shank Diameter: 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.036 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN; Fastener Length: 0.488 INCHES MAXIMUM IN. 12 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.