The Pin-Rivet, cataloged under National Stock Number 5320-01-231-5947, 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 17 specifications, cited from the U.S. Government catalog. The record lists 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-231-5947 |
| Primary Part Number | HLT151DL-8-7 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Head Height | 0.0523 INCHES MINIMUM AND 0.0544 INCHES MAXIMUM IN |
| Fastener Length | 0.863 INCHES MINIMUM AND 0.883 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | COUNTERSUNK W/REVERSE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.443 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Material | STEEL COMP XM-13 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 |
|---|---|
| HLT151TB-8-7 | Howmet Global Fastening Systems Inc (USA) |
| HLT151TB-8-7 | Huck International, Inc (USA) |
| HLT151DL-8-7 PRIMARY | Hi-Shear Corporation (USA) |
| HLT151DL-8-7 | West Coast Aerospace, Inc. (USA) |
| HP4812-4-7 | Heartland Precision Fasteners Inc (USA) |
| HLT151TB-8-7 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT151TB-8-7 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT151TB-8-7 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT151DL-8-7 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT151TB-8-7 | Hi-Shear Corporation (USA) |
| HLT151DL-8-7 | Huck International, Inc (USA) |
| HLT151DL-8-7 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT151DL-8-7 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT151TB-8-7 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HLT151DL-8-7 | 5/9 Secondary reference U.S. Government activity |
| HLT151TB-8-7 | 5/2 Secondary reference U.S. Government activity |
| ST3M812-4-7 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 10312789 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| MA4812-4-7 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| AIC-L-762-4-7 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT151DL-8-7 | 5/2 Secondary reference U.S. Government activity |
| HLT151TB-8-7 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-231-5947 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-231-5947 has 14 manufacturer part numbers on file: HLT151TB-8-7 (Howmet Global Fastening Systems Inc), HLT151TB-8-7 (Huck International, Inc), HLT151DL-8-7 (Hi-Shear Corporation), HLT151DL-8-7 (West Coast Aerospace, Inc.), HP4812-4-7 (Heartland Precision Fasteners Inc) and 9 more.
Key specifications for HLT151DL-8-7: Shank Diameter: 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Head Height: 0.0523 INCHES MINIMUM AND 0.0544 INCHES MAXIMUM IN; Fastener Length: 0.863 INCHES MINIMUM AND 0.883 INCHES MAXIMUM IN. 17 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.