The Pin-Rivet, cataloged under National Stock Number 5320-01-166-6708, 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 17 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-166-6708 |
| Primary Part Number | 3M923C5-7 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.834 INCHES MINIMUM AND 0.854 INCHES MAXIMUM IN |
| 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 | 0.312 INCHES IN |
| Grip Length | 0.443 INCHES MAXIMUM IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| 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 | 0.6335 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 |
|---|---|
| HP4923C5-7 | Heartland Precision Fasteners Inc (USA) |
| HLT33TB-10-7M | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT33TB-10-7M | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT33TB-10-7M | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT33TB-10-7M | Hi-Shear Corporation (USA) |
| 3M923C5-7 PRIMARY | The Boeing Company Div Defense (USA) |
| HLT33TB-10-7M | West Coast Aerospace, Inc. (USA) |
| HLT33TB-10-7M PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| HLT33TB-10-7M | 5/2 Secondary reference U.S. Government activity |
| 10111953 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HLT33TB-10-7M | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-166-6708 is a Pin-Rivet, manufactured by The Boeing Company Div Defense, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-166-6708 has 8 manufacturer part numbers on file: HP4923C5-7 (Heartland Precision Fasteners Inc), HLT33TB-10-7M (Sps Technologies, Llc Dba PB Fasteners), HLT33TB-10-7M (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HLT33TB-10-7M (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HLT33TB-10-7M (Hi-Shear Corporation) and 3 more.
Key specifications for 3M923C5-7: Shank Diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.834 INCHES MINIMUM AND 0.854 INCHES MAXIMUM IN; Material Document and Classification: AMS 5629 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.