The Pin-Rivet, cataloged under National Stock Number 5320-01-574-6957, 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 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-574-6957 |
| Primary Part Number | HLT42-6-18 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Shank Diameter | 0.357 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Fastener Length | 1.450 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 1.125 INCHES NOMINAL IN |
| Width Between Flats | 0.104 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| 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 | 0.357 INCHES MINIMUM AND 0.377 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 |
|---|---|
| HLT42-6-18 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT42-6-18 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 3D0010-6-18 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-574-6957 is a Pin-Rivet, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-574-6957 has 2 manufacturer part numbers on file: HLT42-6-18 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT42-6-18 (Howmet Global Fastening Systems Inc).
Key specifications for HLT42-6-18: Shank Diameter: 0.357 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN; Fastener Length: 1.450 INCHES NOMINAL IN. 18 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.