The Pin-Rivet, cataloged under National Stock Number 5320-01-078-0320, 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 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-078-0320 |
| Primary Part Number | ST3M415C3-9 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.877 INCHES MINIMUM AND 0.897 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 258,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.567 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.3016 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 |
|---|---|
| HL41-6-9 | West Coast Aerospace, Inc. (USA) |
| HL41-6-9 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL41-6-9 | Huck International, Inc (USA) |
| HL41-6-9 | Hi-Shear Corporation (USA) |
| AIC-L-41-6-9 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M415C3-9 PRIMARY | The Boeing Company Div Defense (USA) |
| HL41-6-9 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL41-6-9 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| Reference | Meaning |
|---|---|
| HL41-6-9 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| HL41-6-9 | 5/2 Secondary reference U.S. Government activity |
| ST3M415C3-9 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| HL41-6-9 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MA4415-3-9 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HL41-6-9 | 5/9 Secondary reference U.S. Government activity |
| ST25D60-6-9 | 5/9 Secondary reference Lockheed Martin Corp |
NSN 5320-01-078-0320 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-078-0320 has 8 manufacturer part numbers on file: HL41-6-9 (West Coast Aerospace, Inc.), HL41-6-9 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL41-6-9 (Huck International, Inc), HL41-6-9 (Hi-Shear Corporation), AIC-L-41-6-9 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 3 more.
Key specifications for ST3M415C3-9: Shank Diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.877 INCHES MINIMUM AND 0.897 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 258,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 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.