The Pin-Rivet, cataloged under National Stock Number 5320-01-166-3671, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 20 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-166-3671 |
| Primary Part Number | HLT53YB-10-15 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| Fastener Length | 1.428 INCHES MINIMUM AND 1.448 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 | 0.312 INCHES IN |
| Grip Length | 0.943 INCHES MAXIMUM IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 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 | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.6335 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 |
|---|---|
| HLT53YB-10-15 PRIMARY | Huck International, Inc (USA) |
| ST3M760C5-15 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT53YB-10-15 | West Coast Aerospace, Inc. (USA) |
| HLT53YC-10-15 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT53YC-10-15 | West Coast Aerospace, Inc. (USA) |
| HLT53YC-10-15 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT53YB-10-15 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| AIC-L-760C5-15 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT53YC-10-15 PRIMARY | Hi-Shear Corporation (USA) |
| HLT53YB-10-15 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT53YC-10-15 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT53YB-10-15 PRIMARY | Hi-Shear Corporation (USA) |
| HLT53YC-10-15 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT53YB-10-15 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT53DL-10-15 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT53YC-10-15 PRIMARY | Huck International, Inc (USA) |
| HP4760-5-15 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| ST3M760C5-15 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT53DL-10-15 PRIMARY | Hi-Shear Corporation (USA) |
| HLT53YB-10-15 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HLT53YC-10-15 | 5/9 Secondary reference U.S. Government activity |
| HLT53YB-10-15 | 5/9 Secondary reference U.S. Government activity |
| ST3M760C5-15 | 5/9 Secondary reference Sps Technologies Inc |
| HLT53YC-10-15 | 5/2 Secondary reference U.S. Government activity |
| HLT53YC-10-15 | 3/2 Design control — primary reference U.S. Government activity |
| MA4760-5-15 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HLT53YB-10-15 | 5/2 Secondary reference U.S. Government activity |
| 10111951 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HLT53YB-10-15 | 3/2 Design control — primary reference U.S. Government activity |
| HLT53TB10-15 | C/1 Advisory reference — outside the item-of-supply concept Hi-Shear Corporation |
NSN 5320-01-166-3671 is a Pin-Rivet, manufactured by Huck International, Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-166-3671 has 20 manufacturer part numbers on file: HLT53YB-10-15 (Huck International, Inc), ST3M760C5-15 (The Boeing Company Div Defense), HLT53YB-10-15 (West Coast Aerospace, Inc.), HLT53YC-10-15 (Sps Technologies, Llc Dba PB Fasteners), HLT53YC-10-15 (West Coast Aerospace, Inc.) and 15 more.
Key specifications for HLT53YB-10-15: Shank Diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM; Fastener Length: 1.428 INCHES MINIMUM AND 1.448 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.