The Pin-Rivet, cataloged under National Stock Number 5320-01-177-5931, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div City of Industry Operations. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-177-5931 |
| Primary Part Number | HL647LL-12-11 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Global Fastening Systems Inc Div City of Industry Operations |
| Status | ACTIVE |
| Shank Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 1.223 INCHES MINIMUM AND 1.243 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 258 FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Grip Length | 0.693 INCHES MAXIMUM IN |
| Width Between Flats | 0.1582 INCHES MINIMUM AND 0.1617 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| 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 | 0.7604 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 |
|---|---|
| HL647LL-12-11 PRIMARY | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| HL647LL-12-11 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL647LL-12-11 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL647LL-12-11 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL647LL-12-11 PRIMARY | Hi-Shear Corporation (USA) |
| HL647LL-12-11 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HL647LL-12-11 | 5/9 Secondary reference U.S. Government activity |
| HL647LL-12-11 | 5/9 Secondary reference U.S. Government activity |
| HL647LL-12-11 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5320-01-177-5931 is a Pin-Rivet, manufactured by Howmet Global Fastening Systems Inc Div City of Industry Operations, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-177-5931 has 6 manufacturer part numbers on file: HL647LL-12-11 (Howmet Global Fastening Systems Inc Div City of Industry Operations), HL647LL-12-11 (Sps Technologies, Llc Dba PB Fasteners), HL647LL-12-11 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL647LL-12-11 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL647LL-12-11 (Hi-Shear Corporation) and 1 more.
Key specifications for HL647LL-12-11: Shank Diameter: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 1.223 INCHES MINIMUM AND 1.243 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 258 FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 19 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.