The Ammeter, cataloged under National Stock Number 6625-00-856-4765, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Stewart & Stevenson Power Products Llc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-856-4765 |
| Primary Part Number | 52681 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Stewart & Stevenson Power Products Llc |
| Status | ACTIVE |
| Mounting Bolt Circle Diameter | 3.160 INCHES NOMINAL IN |
| Scale Graduation Type | NONLINEAR SINGLE INDICATOR SINGLE RANGE |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Material | STEEL |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Special Markings | USE W/EXTERNAL TRANSFORMER |
| Power Source | EXTERNAL |
| Style Designator | ROUND FLUSH MTG |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Color | UNABLE TO DECODE |
| Panel for Which Designed | NONMAGNETIC |
| Movement Type | MOVING IRON VANE |
| Meter Depth Behind Mounting Flange | 1.250 INCHES NOMINAL IN |
| Meter Body Diameter Behind Mounting Flange | 2.800 INCHES NOMINAL IN |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Furnished Items and Quantity | NUT 7; WASHER 7 |
| Indicator Type | DIAL W/POINTER |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Circuit Construction Type | NONELECTRONIC |
| Measurement Range | +0.0 TO 125.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE |
| Mounting Hole Diameter | 0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Installation Design | PANEL |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Features Provided | ZERO ADJUSTER |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Circuit Current for Which Designed | AC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | J |
| Weight | 0.0100 lbs |
| Cube | 0.0010 cu ft |
| Part Number | Manufacturer |
|---|---|
| 52681 PRIMARY | Stewart & Stevenson Power Products Llc (USA) |
| 637-15752 | Phaostron Instrument and Electronic Company (USA) |
| AEAE30043A | Jewell Instruments Llc (USA) |
| 637 | Phaostron Instrument and Electronic Company (USA) |
| 26N1003-217-300043 | Jewell Instruments Llc (USA) |
NSN 6625-00-856-4765 is a Ammeter, manufactured by Stewart & Stevenson Power Products Llc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-00-856-4765 has 5 cross-referenced part numbers: 52681 (Stewart & Stevenson Power Products Llc), 637-15752 (Phaostron Instrument and Electronic Company), AEAE30043A (Jewell Instruments Llc), 637 (Phaostron Instrument and Electronic Company), 26N1003-217-300043 (Jewell Instruments Llc).
There are 11 known substitutes for 6625-00-856-4765: 1610-00-119-7026, 6625-00-133-7673, 6625-00-179-3847 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 52681: Overall Length: 1.650 INCHES NOMINAL IN; Mounting Bolt Circle Diameter: 3.160 INCHES NOMINAL IN; Scale Graduation Type: NONLINEAR SINGLE INDICATOR SINGLE RANGE; Nuclear Hardness Critical Feature: NONHARDENED. 30 total characteristics are documented in the Federal Logistics Information System.