The Pin-Rivet, cataloged under National Stock Number 5320-01-166-6709, 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 17 specifications, cited from the U.S. Government catalog. The record lists 22 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-166-6709 |
| Primary Part Number | HLT51DL-5-9 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.864 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | CROWN COUTERSUNK GREATER THAN 135 DEGREES |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Grip Length | 0.567 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0801 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 |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNJC |
| Head Major Diameter | 0.2612 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 |
|---|---|
| HLT51DL-5-9 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT51YB-5-9 PRIMARY | Hi-Shear Corporation (USA) |
| HLT51YB-5-9 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| ST3M758C08-9 | The Boeing Company Div Defense (USA) |
| HLT51YC-5-9 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT51YC-5-9 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT51YC-5-9 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT51TB-5-9 PRIMARY | Huck International, Inc (USA) |
| HLT51YB-5-9 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3929AS1132-C08-9 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| HLT51YB-5-9 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT51TB-5-9 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT51YB-5-9 | West Coast Aerospace, Inc. (USA) |
| HLT51YC-5-9 | West Coast Aerospace, Inc. (USA) |
| HLT51YB-5-9 PRIMARY | Huck International, Inc (USA) |
| HLT51YC-5-9 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT51YC-5-9 PRIMARY | Hi-Shear Corporation (USA) |
| HLT51TB-5-9 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT51DL-5-9 PRIMARY | Hi-Shear Corporation (USA) |
| HLT51YC-5-9 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HLT51YB-5-9 | 3/2 Design control — primary reference U.S. Government activity |
| HP4758-08-9 | 5/9 Secondary reference Heartland Precision Fasteners Inc |
| 10111954 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| AIC-L-758C08-9 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HLT51TB-5-9 | 3/2 Design control — primary reference U.S. Government activity |
| MA4758-08-9 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HLT51YC-5-9 | 5/9 Secondary reference U.S. Government activity |
| HLT51YB-5-9 | 5/9 Secondary reference U.S. Government activity |
| HLT51TB-5-9 | 5/9 Secondary reference U.S. Government activity |
| HLT51YC-5-9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-166-6709 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-166-6709 has 22 manufacturer part numbers on file: HLT51DL-5-9 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT51YB-5-9 (Hi-Shear Corporation), HLT51YB-5-9 (Sps Technologies Ltd, Tj Brooks Division), ST3M758C08-9 (The Boeing Company Div Defense), HLT51YC-5-9 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 17 more.
Key specifications for HLT51DL-5-9: Shank Diameter: 0.1630 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.864 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN; Material Document and Classification: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.