The Pin-Rivet, cataloged under National Stock Number 5320-01-425-0122, 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 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-425-0122 |
| Primary Part Number | HLT635YT-8-6 |
| 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 | 0.2707 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN |
| Fastener Length | 0.6335 INCHES MINIMUM AND 0.6535 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 305 CAGEC 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.451 INCHES MINIMUM AND 0.461 INCHES MAXIMUM IN |
| Width Between Flats | 0.1870 INCHES MINIMUM AND 0.1888 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ALUMINUM OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.435 INCHES MINIMUM AND 0.480 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 |
|---|---|
| HLT635YT-8-6 | West Coast Aerospace, Inc. (USA) |
| HLT635YT-8-6 | Huck International, Inc (USA) |
| HLT635YT-8-6 | Hi-Shear Corporation (USA) |
| HLT635YT-8-6 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT635YT-8-6 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT635YT-8-6 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT635YT-8-6 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| HLT635YT-8-6 | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| HLT635YT-8-6 | 5/9 Secondary reference Sps Technologies Inc |
| HLT635YT-8-6 | 5/9 Secondary reference U.S. Government activity |
| HLT635YT-8-6 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| 03A074-8-6Y | 5/9 Secondary reference Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| HLT635YT-8-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-425-0122 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 5320-01-425-0122 has 8 manufacturer part numbers on file: HLT635YT-8-6 (West Coast Aerospace, Inc.), HLT635YT-8-6 (Huck International, Inc), HLT635YT-8-6 (Hi-Shear Corporation), HLT635YT-8-6 (Sps Technologies, Llc Dba PB Fasteners), HLT635YT-8-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 3 more.
Key specifications for HLT635YT-8-6: Shank Diameter: 0.2707 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN; Fastener Length: 0.6335 INCHES MINIMUM AND 0.6535 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 305 CAGEC 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 16 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.