The Pin-Rivet, cataloged under National Stock Number 5320-01-623-6774, 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 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-623-6774 |
| Primary Part Number | ST3M758C6-18 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Lubrication | DRY FILM AND CETYL ALCOHOL |
| Head Height | 0.075 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN |
| Fastener Length | 1.67 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS 2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | CROWN COUNTERSUNK LESS THAN 135 DEGREES |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Grip Length | 1.125 INCHES NOMINAL IN |
| Width Between Flats | 0.197 INCHES MINIMUM AND 0.217 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.555 INCHES MINIMUM AND 0.560 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 |
|---|---|
| ST3M758C6-18 | West Coast Aerospace, Inc. (USA) |
| ST3M758C6-18 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M758C6-18 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M758C6-18 | Huck International, Inc (USA) |
| ST3M758C6-18 | Heartland Precision Fasteners Inc (USA) |
| HLT51YB-12-18 | Hi-Shear Corporation (USA) |
| ST3M758C6-18 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| ST3M758C6-18 | 5/9 Secondary reference U.S. Government activity |
| ST3M758C6-18 | 5/2 Secondary reference U.S. Government activity |
| ST3M758C6-18 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-623-6774 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-623-6774 has 7 manufacturer part numbers on file: ST3M758C6-18 (West Coast Aerospace, Inc.), ST3M758C6-18 (Sps Technologies, Llc Dba PB Fasteners), ST3M758C6-18 (Fastener Innovation Technology, Inc. Dba F I T), ST3M758C6-18 (Huck International, Inc), ST3M758C6-18 (Heartland Precision Fasteners Inc) and 2 more.
Key specifications for ST3M758C6-18: Shank Diameter: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN; Lubrication: DRY FILM AND CETYL ALCOHOL; Head Height: 0.075 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN; Fastener Length: 1.67 INCHES NOMINAL IN. 19 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.