The Pin-Rivet, cataloged under National Stock Number 5320-01-475-7641, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-475-7641 |
| Primary Part Number | HLT633YB-8-16 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Fastener Length | 1.3850 INCHES MINIMUM AND 1.4050 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.2500 INCHES IN |
| Grip Length | 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 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 | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.470 INCHES MINIMUM AND 0.477 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 | X |
| Part Number | Manufacturer |
|---|---|
| ST3M760D4-16 | The Boeing Company Div Defense (USA) |
| HLT633YB-8-16 | West Coast Aerospace, Inc. (USA) |
| HLT633YB-8-16 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT633YC-8-16 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT633YC-8-16 | West Coast Aerospace, Inc. (USA) |
| HLT633YB-8-16 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT633YC-8-16 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT633YC-8-16 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| STM760D4-16 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HLT633YB-8-16 PRIMARY | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HLT633YB-8-16 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT633YC-8-16 PRIMARY | Hi-Shear Corporation (USA) |
| HLT633YB-8-16 PRIMARY | Hi-Shear Corporation (USA) |
| HP4760D4-16 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| HLT633YC-8-16 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| HLT633YC-8-16 | 5/9 Secondary reference U.S. Government activity |
| HLT633YB-8-16 | 3/2 Design control — primary reference U.S. Government activity |
| HLT633YC-8-16 | 3/2 Design control — primary reference U.S. Government activity |
| HLT633YB-8-16 | 5/9 Secondary reference Sps Technologies Inc |
| HLT633YB-8-16 | 3/2 Design control — primary reference U.S. Government activity |
| HLT633YC-8-16 | 5/9 Secondary reference Sps Technologies Inc |
| HLT633YC-8-16 | 3/2 Design control — primary reference U.S. Government activity |
| HLT633YB-8-16 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-475-7641 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-475-7641 has 15 manufacturer part numbers on file: ST3M760D4-16 (The Boeing Company Div Defense), HLT633YB-8-16 (West Coast Aerospace, Inc.), HLT633YB-8-16 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT633YC-8-16 (Sps Technologies, Llc Dba PB Fasteners), HLT633YC-8-16 (West Coast Aerospace, Inc.) and 10 more.
Key specifications for HLT633YB-8-16: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Fastener Length: 1.3850 INCHES MINIMUM AND 1.4050 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 17 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.