The Pin-Rivet, cataloged under National Stock Number 5320-01-411-9029, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-411-9029 |
| Primary Part Number | HLT451-5-9 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.864 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Grip Length | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0801 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNJC |
| Head Major Diameter | 0.2564 INCHES MINIMUM AND 0.2612 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 |
|---|---|
| HLT451-5-9 | Howmet Global Fastening Systems Inc (USA) |
| HLT451-5-9 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT451-5-9 | West Coast Aerospace, Inc. (USA) |
| AIC-L779V08-9 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT451-5-9 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT451-5-9 PRIMARY | Hi-Shear Corporation (USA) |
| 03A074-5-9 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| HLT451-5-9 | 5/9 Secondary reference U.S. Government activity |
| HLT451-5-9 | 5/9 Secondary reference Sps Technologies Inc |
| HLT451-5-9 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| HLT451-5-9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-411-9029 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-411-9029 has 7 manufacturer part numbers on file: HLT451-5-9 (Howmet Global Fastening Systems Inc), HLT451-5-9 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT451-5-9 (West Coast Aerospace, Inc.), AIC-L779V08-9 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT451-5-9 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.
Key specifications for HLT451-5-9: Shank Diameter: 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.864 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN; Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 15 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.