The Ammeter, cataloged under National Stock Number 6625-01-237-7371, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simpson Electronics Inc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-237-7371 |
| Primary Part Number | 1257 |
| Item Name | Ammeter |
| FSC / FSG | 6625 / 66 — No Item Name Available |
| Manufacturer | Simpson Electronics Inc |
| Status | ACTIVE |
| Installation Design | PANEL |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Meter Depth Behind Mounting Flange | 1.150 INCHES NOMINAL IN |
| Panel for Which Designed | MAGNETIC OR NONMAGNETIC |
| Meter Body Diameter Behind Mounting Flange | 2.170 INCHES NOMINAL IN |
| Accuracy in Percent | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| Phase | SINGLE |
| Scale Selection Method | TERMINAL |
| Mounting Stud Diameter | 0.112 INCHES NOMINAL IN |
| Measurement Range | +0.0 TO 250.0 MILLIAMPERES, AC SINGLE INDICATOR SINGLE RANGE |
| Style Designator | RECTANGULAR FLUSH MTG |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) |
| Material | PLASTIC PHENOLIC |
| Circuit Construction Type | NONELECTRONIC |
| Nuclear Hardness Critical Feature | NONHARDENED |
| Power Source | EXTERNAL |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Color | UNABLE TO DECODE |
| Scale Graduation Type | NONLINEAR SINGLE INDICATOR SINGLE RANGE |
| Features Provided | MAGNETIC SHIELD AND ZERO ADJUSTER |
| Movement Suspension Method | TAUT BAND |
| Circuit Attachment Method and Quantity | 2 THREADED STUD |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Indicator Type | DIAL W/POINTER |
| Mounting Stud Length | 0.540 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.880 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| Successor | 6625-00-020-0103 (626-102) |
| HAZMAT | No |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| SMR Code | Y |
NSN 6625-01-237-7371 is a Ammeter, manufactured by Simpson Electronics Inc, classified under FSC 6625 (No Item Name Available). Status: active.
NSN 6625-01-237-7371 has 2 cross-referenced part numbers: 1257 (Simpson Electronics Inc), 06297 (Simpson Electronics Inc).
There are 6 known substitutes for 6625-01-237-7371: 6625-00-020-0103, 6625-00-028-3542, 6625-00-485-8223 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1257: Overall Width: 1.760 INCHES NOMINAL IN; Installation Design: PANEL; Frequency Rating: 60.0 HERTZ NOMINAL; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.