The Ammeter, cataloged under National Stock Number 6625-00-649-5345, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-649-5345 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Status | ACTIVE |
| Circuit Construction Type | NONELECTRONIC |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES MAXIMUM IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Phase | SINGLE |
| Indicator Type | DIAL W/POINTER |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Meter Depth Behind Mounting Flange | 1.660 INCHES MAXIMUM IN |
| Circuit Current for Which Designed | AC |
| Scale Selection Method | TERMINAL |
| Movement Type | MOVING IRON VANE |
| Surface Treatment Document and Classification | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Overall Diameter | 3.510 INCHES MAXIMUM IN |
| Panel for Which Designed | MAGNETIC OR NONMAGNETIC |
| Dielectric Withstanding Voltage in Volts | 3000.0 |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.150 INCHES NOMINAL IN |
| Features Provided | LUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER |
| Specification/standard Data | 81349-MIL-M-10304/15 GOVERNMENT SPECIFICATION |
| Scale Division Quantity | 30 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Surface Treatment | ENAMEL SEMIGLOSS |
| 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 | JN |
| Reference | Meaning |
|---|---|
| MIL-M-10304/15 | 5/9 Secondary reference U.S. Government activity |
| MR36W015RFAAR | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-10304/15 | 4/1 Identification reference U.S. Government activity |
NSN 6625-00-649-5345 is a Ammeter, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
6 possible matches (shared part number, not a government interchangeability claim): 6625-00-668-9186, 6625-00-836-7432, 6625-00-836-7435. Verify interchangeability with system specifications before substitution.
Key specifications for 6625-00-649-5345: Circuit Construction Type: NONELECTRONIC; Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.800 INCHES MAXIMUM IN; FSC Application Data: TEST SET,ELECT. EQUIP.. 28 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.