The Pin-Rivet, cataloged under National Stock Number 5320-01-356-0112, 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 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-356-0112 |
| Primary Part Number | HLT421TB-6-5 |
| 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 | SOLID FILM AND CETYL ALCOHOL |
| Fastener Length | 0.6275 INCHES MINIMUM AND 0.6475 INCHES MAXIMUM IN |
| Hardness Rating | 50.0 ROCKWELL A MINIMUM AND 80.0 ROCKWELL A MAXIMUM HEAD |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.3075 INCHES MINIMUM AND 0.3175 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | NICKEL ALLOY 718 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.2966 INCHES MINIMUM AND 0.3016 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 |
|---|---|
| HLT421SN-6-5 | Huck International, Inc (USA) |
| 03A065-6-5L | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| HLT421TB-6-5 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT421TB-6-5 | Hi-Shear Corporation (USA) |
| HLT421TB-6-5 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| HLT421TB-6-5 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 03A065-6-5L | 5/9 Secondary reference Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| HLT421SN-6-5 | 5/9 Secondary reference Voi-Shan/chatsworth Div of Vsi Corp Sub of Fairchild Industries Inc |
| HLT421SN-6-5 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HLT421TB-6-5 | 5/9 Secondary reference U.S. Government activity |
| AIC-L775C3L5 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT421SN-6-5 | 5/9 Secondary reference U.S. Government activity |
| HLT421SN-6-5 | 5/9 Secondary reference Hi-Shear Corporation |
NSN 5320-01-356-0112 is a Pin-Rivet, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-356-0112 has 6 manufacturer part numbers on file: HLT421SN-6-5 (Huck International, Inc), 03A065-6-5L (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), HLT421TB-6-5 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT421TB-6-5 (Hi-Shear Corporation), HLT421TB-6-5 (Howmet Global Fastening Systems Inc) and 1 more.
Key specifications for HLT421TB-6-5: Shank Diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL; Fastener Length: 0.6275 INCHES MINIMUM AND 0.6475 INCHES MAXIMUM IN; Hardness Rating: 50.0 ROCKWELL A MINIMUM AND 80.0 ROCKWELL A MAXIMUM HEAD. 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.