The Ammeter, cataloged under National Stock Number 6625-01-233-8495, 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 Jewell Instruments Llc. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-233-8495 |
| Primary Part Number | 4951-654 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Jewell Instruments Llc |
| Status | ACTIVE |
| Circuit Construction Type | NONELECTRONIC |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Meter Body Diameter Behind Mounting Flange | 3.930 INCHES NOMINAL IN |
| FSC Application Data | TEST SET ELECTRONIC EQUIP. |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | FOUR HOLE/STUD RECTANGULAR/SQUARE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 2.812 INCHES NOMINAL IN |
| Circuit Current for Which Designed | DC |
| Movement Type | MOVING COIL, PERMANENT MAGNET |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.376 INCHES NOMINAL IN |
| Mounting Stud Diameter | 0.250 INCHES NOMINAL IN |
| Panel for Which Designed | MAGNETIC OR NONMAGNETIC |
| Power Source | EXTERNAL |
| Style Designator | RECTANGULAR FLUSH MTG |
| Features Provided | ZERO ADJUSTER |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Stud Length | 0.625 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.376 INCHES NOMINAL IN |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Installation Design | PANEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | Z |
| Weight | 3.0000 lbs |
| Cube | 0.1859 cu ft |
| Part Number | Manufacturer |
|---|---|
| 4951-654 PRIMARY | Jewell Instruments Llc (USA) |
| PL704932-101 ITEM 89 | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA) |
NSN 6625-01-233-8495 is a Ammeter, manufactured by Jewell Instruments Llc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-233-8495 has 2 manufacturer part numbers on file: 4951-654 (Jewell Instruments Llc), PL704932-101 ITEM 89 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation).
Key specifications for 4951-654: Circuit Construction Type: NONELECTRONIC; Mounting Facility Type and Quantity: 4 THREADED STUD(S); Meter Body Diameter Behind Mounting Flange: 3.930 INCHES NOMINAL IN; Overall Height: 4.422 INCHES NOMINAL IN. 22 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.