The Pin-Rivet, cataloged under National Stock Number 5320-01-411-5841, 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 19 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-411-5841 |
| Primary Part Number | HLT333FBA-8-5 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.0715 INCHES MINIMUM AND 0.0733 INCHES MAXIMUM IN |
| Fastener Length | 0.658 INCHES MINIMUM AND 0.678 INCHES MAXIMUM IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Specification/standard Data | 73197-HLT333 MANUFACTURERS STANDARD |
| Grip Length | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Minimum Tensile Strength | 3500 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 9300 DOUBLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.5018 INCHES MINIMUM AND 0.5066 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 |
|---|---|
| HLT333FBA-8-5 PRIMARY | Huck International, Inc (USA) |
| HLT333FBA-8-5 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT333FBA-8-5 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT333FBA-8-5 | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| 03A087-8-5 | 5/9 Secondary reference Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| HLT333FBA-8-5 | 5/9 Secondary reference U.S. Government activity |
| HLT333FBA-8-5 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT333FBA-8-5 | 5/2 Secondary reference U.S. Government activity |
| HLT333FBA-8-5 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5320-01-411-5841 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-411-5841 has 4 manufacturer part numbers on file: HLT333FBA-8-5 (Huck International, Inc), HLT333FBA-8-5 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT333FBA-8-5 (Sps Technologies, Llc Dba PB Fasteners), HLT333FBA-8-5 (Hi-Shear Corporation).
Key specifications for HLT333FBA-8-5: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.0715 INCHES MINIMUM AND 0.0733 INCHES MAXIMUM IN; Fastener Length: 0.658 INCHES MINIMUM AND 0.678 INCHES MAXIMUM IN. 19 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.