The Pin-Rivet, cataloged under National Stock Number 5320-01-252-3171, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-252-3171 |
| Primary Part Number | HLT408TL-8-7 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Shank Diameter | 0.2696 INCHES MINIMUM AND 0.2701 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| Fastener Length | 1.083 INCHES MINIMUM AND 1.103 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 | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.655 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 |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| 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 | 0.3948 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 |
|---|---|
| GB510DH4-7 | West Coast Aerospace, Inc. (USA) |
| HLT408TL-8-7 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT408TL-8-7 | Hi-Shear Corporation (USA) |
| HLT408TL-8-7 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GB510DH4-7 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HLT408TL-8-7 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| HLT408TL-8-7 | 5/2 Secondary reference U.S. Government activity |
| HLT408TL-8-7 | 5/9 Secondary reference U.S. Government activity |
| GB510DH4-7 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5320-01-252-3171 is a Pin-Rivet, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-252-3171 has 5 manufacturer part numbers on file: GB510DH4-7 (West Coast Aerospace, Inc.), HLT408TL-8-7 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT408TL-8-7 (Hi-Shear Corporation), HLT408TL-8-7 (Sps Technologies, Llc Dba PB Fasteners), GB510DH4-7 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for HLT408TL-8-7: Shank Diameter: 0.2696 INCHES MINIMUM AND 0.2701 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM; Fastener Length: 1.083 INCHES MINIMUM AND 1.103 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. 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.