The Pin-Rivet, cataloged under National Stock Number 5320-01-133-3954, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is West Coast Aerospace, Inc.. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 27 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-133-3954 |
| Primary Part Number | HLT310TB-8-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | West Coast Aerospace, Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Fastener Length | 0.635 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | TI-SHIELD 3,FSCM 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 | STRAIGHT PAN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.255 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 |
| 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 |
|---|---|
| HLT310TB-8-4 PRIMARY | West Coast Aerospace, Inc. (USA) |
| HLT310TB-8-4 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT310DL-8-4 | Huck International, Inc (USA) |
| HLT310DL-8-4 PRIMARY | Hi-Shear Corporation (USA) |
| HP4759V4-4 | Heartland Precision Fasteners Inc (USA) |
| HLT310TB-8-4 PRIMARY | Hi-Shear Corporation (USA) |
| ST3M759V4-4 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT310TB-8-4 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M759V4-4 PRIMARY | The Boeing Company Div Services (USA) |
| ST3M759V-4 | Huck International, Inc (USA) |
| HLT310DL-8-4 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT310TB-8-4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HLT310DL-8-4 | 5/9 Secondary reference U.S. Government activity |
| HLT310TA-8-4 | C/1 Advisory reference — outside the item-of-supply concept Hi-Shear Corporation |
| HLT310TB-8-4 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HLT310DL-8-4 | 5/9 Secondary reference U.S. Government activity |
| HLT310TA-8-4 | 5/9 Secondary reference U.S. Government activity |
| HLT310TB-8-4 | 5/9 Secondary reference U.S. Government activity |
| ST3M759V4-4 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| ST3M759V-4 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HLT310TB-8-4 | 5/9 Secondary reference Huck International, Inc |
| ST3M759V-4 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 10111502 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HLT310TA-8-4 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba PB Fasteners |
| HLT310DL-8-4 | 3/9 Design control — primary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| HLT310TB-8-4 | 5/2 Secondary reference U.S. Government activity |
| ST3M759V-4 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT310TA-8-4 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| ST3M759V-4 | 5/9 Secondary reference U.S. Government activity |
| HLT310TB-8-4 | 5/2 Secondary reference U.S. Government activity |
| HLT310DL-8-4 | 5/9 Secondary reference U.S. Government activity |
| AIC-L-759V4-4 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
NSN 5320-01-133-3954 is a Pin-Rivet, manufactured by West Coast Aerospace, Inc., classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-133-3954 has 12 manufacturer part numbers on file: HLT310TB-8-4 (West Coast Aerospace, Inc.), HLT310TB-8-4 (Sps Technologies Ltd, Tj Brooks Division), HLT310DL-8-4 (Huck International, Inc), HLT310DL-8-4 (Hi-Shear Corporation), HP4759V4-4 (Heartland Precision Fasteners Inc) and 7 more.
Key specifications for HLT310TB-8-4: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Fastener Length: 0.635 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN. 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.