The Pin-Rivet, cataloged under National Stock Number 5320-00-288-3737, 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 19 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-00-288-3737 |
| Primary Part Number | HL644YE-12-3 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN |
| Fastener Length | 0.723 INCHES MINIMUM AND 0.743 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 258,FSCM 73197 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Criticality Code Justification | FEAT |
| Material Document and Classification | MS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Grip Length | 0.193 INCHES MAXIMUM IN |
| Width Between Flats | 0.158 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| 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 | 0.565 INCHES MINIMUM AND 0.600 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 | Y |
| Part Number | Manufacturer |
|---|---|
| HL644YE-12-3 | West Coast Aerospace, Inc. (USA) |
| HL644YE-12-3 | Howmet Global Fastening Systems Inc (USA) |
| HL644YE-12-3 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HL644YE-12-3 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL644YE-12-3 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HL644YE-12-3 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| HL644LL-12-3 | 5/9 Secondary reference Hi-Shear Corporation |
| HL644LL12-3 | 5/9 Secondary reference Sps Technologies Inc |
| ST3M457C6-3 | 5/9 Secondary reference The Boeing Company Div Defense |
| HL644YE-12-3 | 5/9 Secondary reference U.S. Government activity |
| HL644YE-12-3 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HL644LL12-3 | 5/9 Secondary reference U.S. Government activity |
| MA4457-6-3 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| HL644YE-12-3 | 5/9 Secondary reference U.S. Government activity |
| AIC-L-644-12-3 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| 10123597 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5320-00-288-3737 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-00-288-3737 has 5 manufacturer part numbers on file: HL644YE-12-3 (West Coast Aerospace, Inc.), HL644YE-12-3 (Howmet Global Fastening Systems Inc), HL644YE-12-3 (Sps Technologies Ltd, Tj Brooks Division), HL644YE-12-3 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL644YE-12-3 (Hi-Shear Corporation).
Key specifications for HL644YE-12-3: Shank Diameter: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN; Fastener Length: 0.723 INCHES MINIMUM AND 0.743 INCHES MAXIMUM IN. 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.