The Pin-Rivet, cataloged under National Stock Number 5320-01-216-0346, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 17 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through both NSN and commercial part number lookups. 26 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-216-0346 |
| Primary Part Number | ST3M758C6-9 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Shank Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| Fastener Length | 1.097 INCHES MINIMUM AND 1.117 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | CROWN COUTERSUNK GREATER THAN 135 DEGREES |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Grip Length | 0.567 INCHES MAXIMUM IN |
| Width Between Flats | 0.1582 INCHES MINIMUM AND 0.1617 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| 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 | 0.5604 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 |
|---|---|
| ST3M758C6-9 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M758C6-9 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M758C6-9 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M758C6-9 | Hi-Shear Corporation (USA) |
| ST3M758C6-9 | West Coast Aerospace, Inc. (USA) |
| ST3M758C6-9 | Huck International, Inc (USA) |
| ST3M758C6-9 | Heartland Precision Fasteners Inc (USA) |
| ST3M758C6-9 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| ST3M758C6-9 | 7/9 Vendor item drawing reference The Boeing Company Div Defense |
| HLT51YB-12-9 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HLT51YB-12-9 | 5/9 Secondary reference U.S. Government activity |
| HLT51YB-12-9 | 5/9 Secondary reference U.S. Government activity |
| ST3M758C6-9 | 5/2 Secondary reference U.S. Government activity |
| HLT51YC-12-9 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| HLT51YC-12-9 | 5/9 Secondary reference U.S. Government activity |
| HLT51YC-12-9 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| AIC-L-758C6-9 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT51YB-12-9 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT51YB-12-9 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| HLT51YC-12-9 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HLT51YC-12-9 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HLT51YC-12-9 | 5/9 Secondary reference U.S. Government activity |
| MA4758-6-9 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| 10112191 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HLT51YB-12-9 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HLT51YC-12-9 | 5/9 Secondary reference Sps Technologies Ltd, Tj Brooks Division |
| HLT51YC-12-9 | 5/9 Secondary reference Hi-Shear Corporation |
| HLT51YB-12-9 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5320-01-216-0346 is a Pin-Rivet, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-216-0346 has 8 manufacturer part numbers on file: ST3M758C6-9 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M758C6-9 (Sps Technologies, Llc Dba PB Fasteners), ST3M758C6-9 (Fastener Innovation Technology, Inc. Dba F I T), ST3M758C6-9 (Hi-Shear Corporation), ST3M758C6-9 (West Coast Aerospace, Inc.) and 3 more.
Key specifications for ST3M758C6-9: Shank Diameter: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM; Fastener Length: 1.097 INCHES MINIMUM AND 1.117 INCHES MAXIMUM IN; Material Document and Classification: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 17 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.