The Adapter,hand-Held, cataloged under National Stock Number 1680-01-574-3148, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Pcb Piezotronics, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-574-3148 |
| Primary Part Number | 18C9445-1 |
| Item Name | Adapter,hand-Held |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Pcb Piezotronics, Inc. |
| Status | ACTIVE |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Supplementary Features | ONE SIDE OF ITEM HAS A THREADED STUD AFIXED IN THE CENTER W/0.250-28 UNF-2A THREADS; LGT IS 0.350/0.420 INCH; SURFACE FINISH OF ITEM IS 125 MICROINCHES A |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 18C9445-1 | Pcb Piezotronics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 18C9445-1 | 3/2 Design control — primary reference U.S. Government activity |
| 18C9445 | D/9 Drawing number reference only U.S. Government activity |
NSN 1680-01-574-3148 is a Adapter,hand-Held, manufactured by Pcb Piezotronics, Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-574-3148 has 1 manufacturer part number on file: 18C9445-1 (Pcb Piezotronics, Inc.).
Key specifications for 18C9445-1: Overall Height: 0.450 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Overall Diameter: 1.500 INCHES NOMINAL IN; Supplementary Features: ONE SIDE OF ITEM HAS A THREADED STUD AFIXED IN THE CENTER W/0.250-28 UNF-2A THREADS; LGT IS 0.350/0.420 INCH; SURFACE FINISH OF ITEM IS 125 MICROINCHES A; Special Features: ITEM CONTAINS VARIOUS SIZES OF THREADED OR PLAIN DRILLED HOLES,REFER TO DRAWING ADDITIONAL DETAILS; MATL IS SSTL 304 PER ASTM A276. 3 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.
NSN 1680-01-574-3148 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.