The Pin-Rivet, cataloged under National Stock Number 5320-01-143-0634, 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 16 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 18 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-143-0634 |
| Primary Part Number | HLT312TB-6-3 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Head Height | 0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Fastener Length | 0.503 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | TI-SHIELD III 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 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.193 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.357 INCHES MINIMUM AND 0.377 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 |
|---|---|
| HLT312TB-6-3 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT312TA-6-3 | Huck International, Inc (USA) |
| HLT312TB-6-3 | Huck International, Inc (USA) |
| HLT312TB-6-3 | West Coast Aerospace, Inc. (USA) |
| HLT312TB-6-3 PRIMARY | Hi-Shear Corporation (USA) |
| HLT312TB-6-3 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HLT312TA-6-3 | C/1 Advisory reference — outside the item-of-supply concept Hi-Shear Corporation |
| HLT312DL-6-3 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba PB Fasteners |
| HLT312DL-6-3 | 5/9 Secondary reference U.S. Government activity |
| HLT312DL-6-3 | C/1 Advisory reference — outside the item-of-supply concept West Coast Aerospace, Inc. |
| HLT312DL-6-3 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| AIC-L-761V3-3 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT312TB-6-3 | 5/9 Secondary reference U.S. Government activity |
| HLT312DL-6-3 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| ST3M761V3-3 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HLT312TB-6-3 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies Inc |
| HLT312TA-6-3 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba PB Fasteners |
| HLT312TA-6-3 | 5/2 Secondary reference U.S. Government activity |
| HLT312TB-6-3 | 5/2 Secondary reference U.S. Government activity |
| HLT312DL-6-3 | C/1 Advisory reference — outside the item-of-supply concept Hi-Shear Corporation |
| HLT312DL-6-3 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| HLT312TA-6-3 | 5/9 Secondary reference U.S. Government activity |
| HLT312DL-6-3 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies Inc |
| 10111707 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5320-01-143-0634 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-143-0634 has 6 manufacturer part numbers on file: HLT312TB-6-3 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT312TA-6-3 (Huck International, Inc), HLT312TB-6-3 (Huck International, Inc), HLT312TB-6-3 (West Coast Aerospace, Inc.), HLT312TB-6-3 (Hi-Shear Corporation) and 1 more.
Key specifications for HLT312TB-6-3: Shank Diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Head Height: 0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN; Fastener Length: 0.503 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN; Surface Treatment Document and Classification: TI-SHIELD III FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 16 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.