The Pin-Rivet, cataloged under National Stock Number 5320-01-246-9640, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 19 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-246-9640 |
| Primary Part Number | HLT640TL-8-9 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.2852 INCHES MINIMUM AND 0.2857 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| Head Height | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Fastener Length | 1.077 INCHES MINIMUM AND 1.097 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | TI-SHIELD 3,CAGEC 73197 MFR REF SINGLE TREATMENT RESPONSE OR TIODIZE TY 2,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 | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.572 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ANODIZE OVERALL |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.387 INCHES MINIMUM AND 0.412 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 |
|---|---|
| HLT640TL-8-9 PRIMARY | Hi-Shear Corporation (USA) |
| HLT640TL-8-9 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT640TL-8-9 | Howmet Global Fastening Systems Inc (USA) |
| HLT640TL-8-9 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT640TL-8-9 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HLT640TL-8-9 | 5/9 Secondary reference U.S. Government activity |
| BM27003-4-9 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| GB511BF4-9 | 5/2 Secondary reference U.S. Government activity |
| HLT640TL-8-9 | 5/9 Secondary reference U.S. Government activity |
| GB511BF4-9 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 6B511BF4-9 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5320-01-246-9640 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-246-9640 has 5 manufacturer part numbers on file: HLT640TL-8-9 (Hi-Shear Corporation), HLT640TL-8-9 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT640TL-8-9 (Howmet Global Fastening Systems Inc), HLT640TL-8-9 (Sps Technologies, Llc Dba PB Fasteners), HLT640TL-8-9 (Huck International, Inc).
Key specifications for HLT640TL-8-9: Shank Diameter: 0.2852 INCHES MINIMUM AND 0.2857 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM; Head Height: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Fastener Length: 1.077 INCHES MINIMUM AND 1.097 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.