The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-693-5940, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 5320-01-693-5940 |
| Primary Part Number | HL373DU12 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | SOLID FILM |
| Collar Overall Height | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Collar Style | THREADED TYPE |
| Collar Outside Diameter | 0.662 INCHES MINIMUM AND 0.668 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 | 0.375 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 |
|---|---|
| HL373DU12 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| HL373DU12 | Howmet Fixations Simmonds SAS (FRA) |
| HL373DU12 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL373DU12 | Blanc Aero Industries - Groupe Lisi Aerospace (FRA) |
| HL373DU12 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL373DU12 | Ankit Fasteners Private Limited (IND) |
| HL373DU12 PRIMARY | Hi-Shear Corporation (USA) |
| HL373DU12 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL373DU12 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HL373DU12 | Minebea Mitsumi Inc. (JPN) |
| HL373DU12 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HL373 | D/9 Drawing number reference only Hi-Shear Corporation |
NSN 5320-01-693-5940 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-693-5940 has 11 manufacturer part numbers on file: HL373DU12 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), HL373DU12 (Howmet Fixations Simmonds SAS), HL373DU12 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL373DU12 (Blanc Aero Industries - Groupe Lisi Aerospace), HL373DU12 (Sps Technologies, Llc Dba PB Fasteners) and 6 more.
6 possible matches (shared part number, not a government interchangeability claim): 5320-01-693-5942, 5320-01-693-5947, 5320-01-698-8120. Verify interchangeability with system specifications before substitution.
Key specifications for HL373DU12: Lubrication: SOLID FILM; Collar Overall Height: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Collar Style: THREADED TYPE; Collar Outside Diameter: 0.662 INCHES MINIMUM AND 0.668 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.