The Pin-Rivet, cataloged under National Stock Number 5320-01-266-2575, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is West Coast Aerospace, Inc.. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-266-2575 |
| Primary Part Number | HLT33TB-6-6M |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | West Coast Aerospace, Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL |
| Fastener Length | 0.668 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| 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 | 0.190 INCHES IN |
| Grip Length | 0.380 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 | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.3813 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 |
|---|---|
| 3M923C3-6 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT33TB-6-6M PRIMARY | West Coast Aerospace, Inc. (USA) |
| 3M923C3-6 | Heartland Precision Fasteners Inc (USA) |
| HLT33TB-6-6M | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT33TB-6-6M PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT33TB-6-6M PRIMARY | Hi-Shear Corporation (USA) |
| HP4923C3-6 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| 3M923C3-6 | Howmet Global Fastening Systems Inc (USA) |
| HLT33TB-6-6M PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT33TB-6-6M | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 3M923C3-6 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 10112353 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HLT33TB-6-6M | 5/2 Secondary reference U.S. Government activity |
| HLT33TB-6-6M | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-266-2575 is a Pin-Rivet, manufactured by West Coast Aerospace, Inc., classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-266-2575 has 10 manufacturer part numbers on file: 3M923C3-6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT33TB-6-6M (West Coast Aerospace, Inc.), 3M923C3-6 (Heartland Precision Fasteners Inc), HLT33TB-6-6M (Sps Technologies, Llc Dba PB Fasteners), HLT33TB-6-6M (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 5 more.
Key specifications for HLT33TB-6-6M: Shank Diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL; Fastener Length: 0.668 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC 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.