The Pin-Rivet, cataloged under National Stock Number 5320-01-142-3250, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 16 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-142-3250 |
| Primary Part Number | HLT312DL-8-8 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND DRY FILM |
| Head Height | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Fastener Length | 0.885 INCHES MINIMUM AND 0.905 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 | 0.250 INCHES IN |
| Grip Length | 0.505 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 | 0.415 INCHES MINIMUM AND 0.440 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 |
|---|---|
| ST3M761V4-8 | Howmet Global Fastening Systems Inc (USA) |
| HLT312DL-8-8 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT312DL-8-8 | West Coast Aerospace, Inc. (USA) |
| HLT312DL-8-8 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT312TB-8-8 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M761V4-8 | The Boeing Company Div Defense (USA) |
| HLT312TB-8-8 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT312TB-8-8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT312DL-8-8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT312TB-8-8 | Huck International, Inc (USA) |
| 312TB-8-8 | Heartland Precision Fasteners Inc (USA) |
| HLT312TB-8-8 | West Coast Aerospace, Inc. (USA) |
| HLT312DL-8-8 PRIMARY | Hi-Shear Corporation (USA) |
| HLT312DL-8-8 | Heartland Precision Fasteners Inc (USA) |
| HLT312TB-8-8 | Hi-Shear Corporation (USA) |
| HLT312DL-8-8 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| 10111678 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HLT312TA-8-8 | C/1 Advisory reference — outside the item-of-supply concept Hi-Shear Corporation |
| HLT312TA-8-8 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| HLT312DL-8-8 | 5/2 Secondary reference U.S. Government activity |
| HLT312TA-8-8 | 5/2 Secondary reference U.S. Government activity |
| AIC-L-761V4-8 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT312TB-8-8 | 5/2 Secondary reference U.S. Government activity |
| HLT312TA-8-8 | C/1 Advisory reference — outside the item-of-supply concept Sps Technologies, Llc Dba PB Fasteners |
| HLT312DL-8-8 | 5/9 Secondary reference Sps Technologies Inc |
| HLT312TB-8-8 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5320-01-142-3250 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-142-3250 has 16 manufacturer part numbers on file: ST3M761V4-8 (Howmet Global Fastening Systems Inc), HLT312DL-8-8 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT312DL-8-8 (West Coast Aerospace, Inc.), HLT312DL-8-8 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT312TB-8-8 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 11 more.
1 possible match (shared part number, not a government interchangeability claim): 5320-01-237-5118. Verify interchangeability with system specifications before substitution.
Key specifications for HLT312DL-8-8: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND DRY FILM; Head Height: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Fastener Length: 0.885 INCHES MINIMUM AND 0.905 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.