The Ammeter, cataloged under National Stock Number 6625-00-581-7928, 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 Custom Metering Company Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-581-7928 |
| Primary Part Number | 2534-268153 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Custom Metering Company Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 SOLDER LUG AND 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 1.390 INCHES MAXIMUM IN |
| Circuit Current for Which Designed | AC |
| Movement Type | MOVING IRON VANE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Power Source | EXTERNAL |
| Criticality Code Justification | FEAT |
| Style Designator | ROUND FLUSH MTG |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Measurement Range | +0.0 TO 600.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE |
| 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 | Y |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Weight | 0.6750 lbs |
| Cube | 0.0463 cu ft |
| Part Number | Manufacturer |
|---|---|
| MK777-133 | Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics (USA) |
| 2534-268153 | Jewell Instruments Llc (USA) |
| 2534-268153 PRIMARY | Custom Metering Company Inc (USA) |
| Reference | Meaning |
|---|---|
| 2534-268153 | 3/9 Design control — primary reference Metermaster Inc Metermod Div |
| 2534-268153 | 5/9 Secondary reference Solartron Electronics Inc Weston Instruments Div |
NSN 6625-00-581-7928 is a Ammeter, manufactured by Custom Metering Company Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-581-7928 has 3 manufacturer part numbers on file: MK777-133 (Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics), 2534-268153 (Jewell Instruments Llc), 2534-268153 (Custom Metering Company Inc).
Key specifications for 2534-268153: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Indicator Type: DIAL W/POINTER; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Circuit Attachment Method and Quantity: 2 SOLDER LUG AND 2 THREADED STUD. 15 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.