The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-693-5947, 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 12 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-693-5947 |
| Primary Part Number | HL373DU10 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | SOLID FILM |
| Collar Overall Height | 0.670 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Collar Style | THREADED TYPE |
| Collar Outside Diameter | 0.552 INCHES MINIMUM AND 0.558 INCHES MAXIMUM IN |
| Heat Treatment | H-1025 STRAIN HARDENED OVERALL |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| HL373DU10 | Huck International, Inc (USA) |
| HL373DU10 | West Coast Aerospace, Inc. (USA) |
| HL373DU10 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| HL373DU10 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL373DU10 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL373DU10 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| HL373DU10 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HL373 | D/9 Drawing number reference only Hi-Shear Corporation |
NSN 5320-01-693-5947 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-693-5947 has 7 manufacturer part numbers on file: HL373DU10 (Huck International, Inc), HL373DU10 (West Coast Aerospace, Inc.), HL373DU10 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), HL373DU10 (Sps Technologies, Llc Dba PB Fasteners), HL373DU10 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 2 more.
4 possible matches (shared part number, not a government interchangeability claim): 5320-01-698-8120, 5320-01-698-8125, 5320-01-698-8165. Verify interchangeability with system specifications before substitution.
Key specifications for HL373DU10: Lubrication: SOLID FILM; Collar Overall Height: 0.670 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; Collar Style: THREADED TYPE; Collar Outside Diameter: 0.552 INCHES MINIMUM AND 0.558 INCHES MAXIMUM IN. 12 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.