The Pin-Rivet, cataloged under National Stock Number 5320-01-246-1835, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 21 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-246-1835 |
| Primary Part Number | ST3M812-6-6 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Shank Diameter | 0.3896 INCHES MINIMUM AND 0.3901 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.955 INCHES MINIMUM 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 | 0.380 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 |
|---|---|
| ST3M812-6-6 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| ST3M812-6-6 PRIMARY | Huck International, Inc (USA) |
| ST3M812-6-6 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M812-6-6 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M812-6-6 PRIMARY | West Coast Aerospace, Inc. (USA) |
| ST3M812-6-6 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M812-6-6 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| 10460612 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HLT151TB-12-6 | 5/9 Secondary reference Huck International, Inc |
| ST3M812-6-6 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HLT151DL-12-6 | 5/9 Secondary reference U.S. Government activity |
| HLT151TB-12-6 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT151TB-12-6 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HLT151DL-12-6 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| AIC-L-762-6-6 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| MA4812-6-6 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HLT151DL-12-6 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| HLT151TB-12-6 | 5/9 Secondary reference U.S. Government activity |
| HLT151DL-12-6 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT151DL-12-6 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HP4812-6-6 | 5/9 Secondary reference Heartland Precision Fasteners Inc |
| HLT151TB-12-6 | 5/9 Secondary reference U.S. Government activity |
| HLT151DL-12-6 | 5/9 Secondary reference Huck International, Inc |
| HLT151DL-12-6 | 5/9 Secondary reference U.S. Government activity |
| HLT151TB-12-6 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| HLT151DL-12-6 | 5/9 Secondary reference Hi-Shear Corporation |
| HLT151TB-12-6 | 5/9 Secondary reference West Coast Aerospace, Inc. |
NSN 5320-01-246-1835 is a Pin-Rivet, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-246-1835 has 7 manufacturer part numbers on file: ST3M812-6-6 (Howmet Global Fastening Systems Inc), ST3M812-6-6 (Huck International, Inc), ST3M812-6-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), ST3M812-6-6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M812-6-6 (West Coast Aerospace, Inc.) and 2 more.
Key specifications for ST3M812-6-6: Shank Diameter: 0.3896 INCHES MINIMUM AND 0.3901 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.955 INCHES MINIMUM 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.