The Meter,special Scale, cataloged under National Stock Number 6625-01-045-7003, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6625-01-045-7003 |
| Primary Part Number | A3307-1 |
| 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 THREADED HOLE(S) |
| Meter Body Diameter Behind Mounting Flange | 2.250 INCHES NOMINAL IN |
| Mounting Arrangement Style | THREE HOLE/STUD BOLT CIRCLE |
| Circuit Current for Which Designed | DC |
| Overall Diameter | 2.620 INCHES NOMINAL IN |
| Style Designator | ROUND FLUSH MTG |
| Mounting Hole Diameter | 0.140 INCHES NOMINAL IN |
| Features Provided | ZERO ADJUSTER |
| Mounting Bolt Circle Diameter | 2.370 INCHES NOMINAL IN |
| Color | UNABLE TO DECODE |
| Dial Scale Marking Color | WHITE ALL INDICATORS ALL RANGES |
| 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 | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Weight | 0.5000 lbs |
| Cube | 0.0363 cu ft |
| Part Number | Manufacturer |
|---|---|
| A3307-1 PRIMARY | Phaostron Instrument and Electronic Company (USA) |
| Reference | Meaning |
|---|---|
| A3307 | 5/2 Secondary reference U.S. Government activity |
NSN 6625-01-045-7003 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 6625-01-045-7003 has 1 manufacturer part number on file: A3307-1 (Phaostron Instrument and Electronic Company).
1 possible match (shared part number, not a government interchangeability claim): 2910-01-495-8869. Verify interchangeability with system specifications before substitution.
Key specifications for A3307-1: Mounting Facility Type and Quantity: 3 THREADED HOLE(S); Meter Body Diameter Behind Mounting Flange: 2.250 INCHES NOMINAL IN; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Circuit Current for Which Designed: DC. 12 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.