The Shunt,instrument, cataloged under National Stock Number 6625-01-034-3268, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Kelly Manufacturing Company. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-01-034-3268 |
| Primary Part Number | 12-900-3 |
| Item Name | Shunt,instrument |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Kelly Manufacturing Company |
| Status | ACTIVE |
| Mounting Method | THREADED STUD(S) |
| Terminal Location | CENTER |
| Current Rating and Type | 60.0 AMPERES NOMINAL AC |
| Voltage Drop in Millivolts | 50.0 NOMINAL |
| Terminal Type and Quantity | 2 SCREW |
| Mounting Provision Quantity | 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12-900-3 PRIMARY | Kelly Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| 12-900-3 | 5/9 Secondary reference Allen R C Instruments Inc |
NSN 6625-01-034-3268 is a Shunt,instrument, manufactured by Kelly Manufacturing Company, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-034-3268 has 1 manufacturer part number on file: 12-900-3 (Kelly Manufacturing Company).
1 possible match (shared part number, not a government interchangeability claim): 4470-01-242-3331. Verify interchangeability with system specifications before substitution.
Key specifications for 12-900-3: Overall Height: 1.250 INCHES NOMINAL IN; Mounting Method: THREADED STUD(S); Overall Length: 2.000 INCHES NOMINAL IN; Overall Width: 1.625 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.