The Meter,special Scale, cataloged under National Stock Number 6625-01-159-3832, 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 Phaostron Instrument and Electronic Company. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6625-01-159-3832 |
| Primary Part Number | 633-18541/PW-0203 |
| Item Name | Meter,special Scale |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Phaostron Instrument and Electronic Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 SCREW AND 3 UNTHREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.670 INCHES MAXIMUM IN |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| 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 | 1.460 INCHES MAXIMUM IN |
| Circuit Current for Which Designed | DC |
| 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 MAXIMUM IN |
| Panel for Which Designed | NONMAGNETIC |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.150 INCHES MAXIMUM IN |
| Features Provided | ZERO ADJUSTER |
| Specification/standard Data | 77646-101754 MANUFACTURERS SPECIFICATION CONTROL |
| Scale Division Quantity | 40 SINGLE INDICATOR SINGLE RANGE |
| Movement Suspension Method | JEWEL PIVOT BASE |
| Mounting Bolt Circle Diameter | 3.160 INCHES MAXIMUM IN |
| Pointer Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Surface Treatment | PAINT |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Unable to Decode | UNABLE TO DECODE |
| Dial Scale Marking Color | BLACK SINGLE INDICATOR SINGLE RANGE |
| Material | STEEL |
| Sensitivity Rating | 200.0 MICROAMPERES |
| Scale Graduation Type | LINEAR SINGLE INDICATOR SINGLE RANGE |
| Furnished Items and Quantity | TERM. HARDWARE 2; GASKET 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Weight | 0.2500 lbs |
| Cube | 0.0036 cu ft |
| Part Number | Manufacturer |
|---|---|
| 633-18541/PW-0203 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
| Reference | Meaning |
|---|---|
| 101754-1 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems |
NSN 6625-01-159-3832 is a Meter,special Scale, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-159-3832 has 1 manufacturer part number on file: 633-18541/PW-0203 (Phaostron Instrument and Electronic Company).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-595-1487. Verify interchangeability with system specifications before substitution.
Key specifications for 633-18541/PW-0203: Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.670 INCHES MAXIMUM IN; FSC Application Data: TEST SET,ELECT. EQUIP.; Indicator Type: DIAL W/POINTER. 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.
NSN 6625-01-159-3832 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.