The Pin-Rivet, cataloged under National Stock Number 5320-01-676-3339, 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 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-676-3339 |
| Primary Part Number | HLT923LP-6-15 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Shank Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Lubrication | DRY FILM AND CETYL ALCOHOL |
| Fastener Length | 1.253 INCHES MINIMUM AND 1.273 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.933 INCHES MINIMUM AND 0.943 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CHROMATE AND CADMIUM OVERALL |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Shear Strength | 108000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 8740 OR STEEL COMP E4340 OR STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.356 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 |
|---|---|
| HLT923LP-6-15 | Howmet Global Fastening Systems Inc (USA) |
| HLT923LP-6-15 | Hi-Shear Corporation (USA) |
| 4448-6-15PR | Abounding Security Inc Div of Maa Corp (USA) |
| AIC-L-807-6-15PR | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT923LP-6-15 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 4448S06-15PR | Huck International, Inc (USA) |
| KS426S06-15PR | Huck International, Inc (USA) |
| HLT923LP-6-15 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| C9570-6-15PX | 3/2 Design control — primary reference U.S. Government activity |
| HLT923LP-6-15 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-676-3339 is a Pin-Rivet, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-676-3339 has 8 manufacturer part numbers on file: HLT923LP-6-15 (Howmet Global Fastening Systems Inc), HLT923LP-6-15 (Hi-Shear Corporation), 4448-6-15PR (Abounding Security Inc Div of Maa Corp), AIC-L-807-6-15PR (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT923LP-6-15 (Sps Technologies, Llc Dba PB Fasteners) and 3 more.
Key specifications for HLT923LP-6-15: Shank Diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Lubrication: DRY FILM AND CETYL ALCOHOL; Fastener Length: 1.253 INCHES MINIMUM AND 1.273 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 20 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.