The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-175-5416, 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 13 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-175-5416 |
| Primary Part Number | HL73DY-16 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | SOLID FILM |
| Identification Code Color | YELLOW |
| Collar Inside Diameter | 0.501 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN |
| Collar Overall Height | 0.922 INCHES MINIMUM AND 0.942 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.842 INCHES MINIMUM AND 0.848 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| HL73DY-16 | Howmet Global Fastening Systems Inc (USA) |
| HL73DY-16 | Wesco Aircraft Hardware Corp. Dba Incora (USA) |
| HL73DY-16 | Huck International, Inc (USA) |
| HL73DY-16 | West Coast Aerospace, Inc. (USA) |
| HL73DY-16 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HL73DY-16 | 5/9 Secondary reference Sps Technologies Inc |
| HL73DY-16 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HL73DY-16 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| HL73DY-16 | 5/9 Secondary reference U.S. Government activity |
| HL73DY-16 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| HL73DY-16 | 5/9 Secondary reference Heartland Precision Fasteners Inc |
| HL73DY-16 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Voi-Shan Products |
| HL73DY-16 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-175-5416 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-175-5416 has 5 manufacturer part numbers on file: HL73DY-16 (Howmet Global Fastening Systems Inc), HL73DY-16 (Wesco Aircraft Hardware Corp. Dba Incora), HL73DY-16 (Huck International, Inc), HL73DY-16 (West Coast Aerospace, Inc.), HL73DY-16 (Hi-Shear Corporation).
Key specifications for HL73DY-16: Lubrication: SOLID FILM; Identification Code Color: YELLOW; Collar Inside Diameter: 0.501 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN; Collar Overall Height: 0.922 INCHES MINIMUM AND 0.942 INCHES MAXIMUM IN. 13 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.