The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-615-2347, 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 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-615-2347 |
| Primary Part Number | HL78DU8 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | SOLID FILM |
| Collar Inside Diameter | 0.268 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN |
| Collar Overall Height | 0.532 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN |
| Collar Style | THREADED (BREAK OFF) TYPE |
| Collar Outside Diameter | 0.408 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 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 |
|---|---|
| HL78DU8 PRIMARY | Hi-Shear Corporation (USA) |
| HL78DU8 | Sunland Computer Services Inc (USA) |
| HL78DU8 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL78DU8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL78DU8 | Huck International, Inc (USA) |
| HL78DU8 | West Coast Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HL78DU8 | 5/2 Secondary reference U.S. Government activity |
| HL78DU8 | 7/2 Vendor item drawing reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
NSN 5320-01-615-2347 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-615-2347 has 6 manufacturer part numbers on file: HL78DU8 (Hi-Shear Corporation), HL78DU8 (Sunland Computer Services Inc), HL78DU8 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL78DU8 (Sps Technologies, Llc Dba PB Fasteners), HL78DU8 (Huck International, Inc) and 1 more.
Key specifications for HL78DU8: Lubrication: SOLID FILM; Collar Inside Diameter: 0.268 INCHES MINIMUM AND 0.272 INCHES MAXIMUM IN; Collar Overall Height: 0.532 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN; Collar Style: THREADED (BREAK OFF) TYPE. 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.