The Pin-Rivet, cataloged under National Stock Number 5320-01-398-5049, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-398-5049 |
| Primary Part Number | HL448AZ-8-74 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.077 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Fastener Length | 5.010 INCHES MINIMUM AND 5.030 INCHES MAXIMUM IN |
| Identification Code Color | BLACK |
| Surface Treatment Document and Classification | SPEC. 284, 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Specification/standard Data | 73197-HL448 MANUFACTURERS STANDARD |
| Grip Length | 4.620 INCHES MINIMUM AND 4.630 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 6320 POUNDS PER SQUARE INCH LBS |
| Shear Strength | 9300 DOUBLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.415 INCHES MINIMUM AND 0.440 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 |
|---|---|
| HL448AZ-8-74 PRIMARY | Huck International, Inc (USA) |
| HL448AZ-8-74 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| HL448AZ-8-74 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL448AZ-8-74 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL448AZ-8-74 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HL448AZ-8-74 | 5/9 Secondary reference U.S. Government activity |
| HL448AZ-8-74 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-398-5049 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-398-5049 has 5 manufacturer part numbers on file: HL448AZ-8-74 (Huck International, Inc), HL448AZ-8-74 (Howmet Global Fastening Systems Inc Div City of Industry Operations), HL448AZ-8-74 (Sps Technologies, Llc Dba PB Fasteners), HL448AZ-8-74 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL448AZ-8-74 (Hi-Shear Corporation).
Key specifications for HL448AZ-8-74: Shank Diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.077 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Fastener Length: 5.010 INCHES MINIMUM AND 5.030 INCHES MAXIMUM IN. 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.