The Collar,pin-Rivet, cataloged under National Stock Number 5320-01-693-4970, 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 10 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-693-4970 |
| Primary Part Number | HST1571YN8 |
| Item Name | Collar,pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Lubrication | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM |
| Surface Treatment Document and Classification | I-SHEAR TI-SHIELD III MFR REF 6TH TREATMENT RESPONSE BODY |
| Collar Inside Diameter | 0.272 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN |
| Collar Overall Height | 0.505 INCHES MINIMUM AND 0.525 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 | AMS 4943 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Thread Size | 0.250 INCHES IN |
| Surface Treatment | ANODIZE BODY |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY BODY |
| 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 |
|---|---|
| HST1571YN8 PRIMARY | Hi-Shear Corporation (USA) |
| HST1571YN8 | Blanc Aero Industries - Groupe Lisi Aerospace (FRA) |
| HST1571YN8 | Ankit Fasteners Private Limited (IND) |
| HST1571YN8 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HST1571YN8 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HST1571YN8 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HST1571YN8 | Blanc Aero Industries Uk Ltd (GBR) |
| HST1571YN8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HST1571YN8 | Ftb Bastener Technology Bestas (TUR) |
| HST1571YN8 | Blanc Aero Technologies (FRA) |
NSN 5320-01-693-4970 is a Collar,pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-693-4970 has 10 manufacturer part numbers on file: HST1571YN8 (Hi-Shear Corporation), HST1571YN8 (Blanc Aero Industries - Groupe Lisi Aerospace), HST1571YN8 (Ankit Fasteners Private Limited), HST1571YN8 (Sps Technologies Ltd, Tj Brooks Division), HST1571YN8 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 5 more.
Key specifications for HST1571YN8: Lubrication: CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP AND SOLID FILM; Surface Treatment Document and Classification: I-SHEAR TI-SHIELD III MFR REF 6TH TREATMENT RESPONSE BODY; Collar Inside Diameter: 0.272 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN; Collar Overall Height: 0.505 INCHES MINIMUM AND 0.525 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.