The Pin-Rivet, cataloged under National Stock Number 5320-01-132-3453, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 15 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-132-3453 |
| Primary Part Number | 3M923C4-6 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL |
| Fastener Length | 0.717 INCHES MINIMUM AND 0.737 INCHES MAXIMUM IN |
| Head Style | CROWN COUTERSUNK GREATER THAN 135 DEGREES |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.380 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| 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 | 0.5066 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 |
|---|---|
| HLT33TB-8-6M | West Coast Aerospace, Inc. (USA) |
| HLT33TB-8-6M | Hi-Shear Corporation (USA) |
| HLT33TB-8-6M | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 3M923C4-6 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT33TB-8-6M | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT33TB-8-6M | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| 10111425 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HP4923C4-6 | 5/9 Secondary reference Heartland Precision Fasteners Inc |
| HLT33TB-8-6M | 5/9 Secondary reference U.S. Government activity |
| HLT33TB-8-6M | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| HLT33TB-8-6M | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-132-3453 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-132-3453 has 6 manufacturer part numbers on file: HLT33TB-8-6M (West Coast Aerospace, Inc.), HLT33TB-8-6M (Hi-Shear Corporation), HLT33TB-8-6M (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 3M923C4-6 (The Boeing Company Div Defense), HLT33TB-8-6M (Sps Technologies, Llc Dba PB Fasteners) and 1 more.
Key specifications for 3M923C4-6: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL; Fastener Length: 0.717 INCHES MINIMUM AND 0.737 INCHES MAXIMUM IN; Head Style: CROWN COUTERSUNK GREATER THAN 135 DEGREES. 15 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.