The Pin-Rivet, cataloged under National Stock Number 5320-01-478-8317, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 15 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-478-8317 |
| Primary Part Number | HLT633YC-6-4 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Shank Diameter | 0.1810 INCHES MINIMUM AND 0.1840 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.565 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | CROWN COUTERSUNK GREATER THAN 135 DEGREES |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Width Between Flats | 0.104 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.345 INCHES MINIMUM AND 0.352 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| HLT633YC-6-4 | West Coast Aerospace, Inc. (USA) |
| HLT633YB-6-4 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT633YB-6-4 | West Coast Aerospace, Inc. (USA) |
| HLT633YC-6-4 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT633YB-6-4 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT633YC-6-4 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M760D3-4 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT633YC-6-4 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT633YB-6-4 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HP4760D3-4 | Heartland Precision Fasteners Inc (USA) |
| ST3M760D3-4 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT633YC-6-4 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT633YB-6-4 PRIMARY | Hi-Shear Corporation (USA) |
| HLT633YC-6-4 PRIMARY | Hi-Shear Corporation (USA) |
| HLT633YB-6-4 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| HLT633YC-6-4 | 5/9 Secondary reference U.S. Government activity |
| HLT633YC-6-4 | 5/9 Secondary reference Sps Technologies Inc |
| HLT633YB-6-4 | 5/9 Secondary reference Sps Technologies Inc |
| HLT633YB-6-4 | 5/9 Secondary reference U.S. Government activity |
| HLT633YB-6-4 | 5/2 Secondary reference U.S. Government activity |
| HLT633YC-6-4 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-478-8317 is a Pin-Rivet, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-478-8317 has 15 manufacturer part numbers on file: HLT633YC-6-4 (West Coast Aerospace, Inc.), HLT633YB-6-4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT633YB-6-4 (West Coast Aerospace, Inc.), HLT633YC-6-4 (Sps Technologies, Llc Dba PB Fasteners), HLT633YB-6-4 (Sps Technologies Ltd, Tj Brooks Division) and 10 more.
Key specifications for HLT633YC-6-4: Shank Diameter: 0.1810 INCHES MINIMUM AND 0.1840 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.565 INCHES MINIMUM AND 0.585 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.