The Analyzer,spectrum, cataloged under National Stock Number 6625-00-166-1040, 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 Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 6625-00-166-1040 |
| Primary Part Number | 3F4325-148 |
| Item Name | Analyzer,spectrum |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Phase | SINGLE |
| Frequency Band Quantity | 1 |
| AC Voltage Rating | 105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM |
| Reference Data and Literature | DEPT OF ARMY PUBLICATIONS: TB9-6625-117-50,14 JUL 69; TM11-1249 W/ CHANGES 1,2,4-6,1 AUG 48 W |
| Cathode Ray Tube Displayed Information | DISPLAYS EA FREQUENCY COMPONENT AS AMPLITUDE AGAINST FREQUENCY |
| Frequency Range Rating | +8.470 TO 9.630 GIGAHERTZ |
| Functional Classification | AA-3.3 |
| Entry Date | 71-05-15 |
| Functional Description | PORTABLE,USED IN TESTING RADAR SYSTEMS SUCH AS AN/FPN-33 & AN/FPN-40; CHECKS FREQUENCY OF TR & RT BOXES,SIGNAL GENERATORS,LOCAL OSCILLATORS & MAGNETIONS & MEASURES PULSE WIDTH,RF SPECTRUM WIDTH,& Q OF RESONANT CAVITIES; USED IN GENERAL & DEPOT SUPPORT TESTING |
| Frequency Rating | 0.05 KILOHERTZ MINIMUM AND 1.20 KILOHERTZ MAXIMUM |
| Input Impedance Rating | 51.0 OHMS NOMINAL |
| Furnished Items and Quantity | ADAPTER 1,COAXIAL ADAPTER 1,AN TENNA HORN 1,AUXILIARY SPARE PARTS BOX 1,ANTENNA HORN CABLE 1,MIXER CABL E 1,POWER CABLE 1,CARRYING CASE 1 F LEXIBLE WAV-GUIDE ASSEMBLY 1 |
| Type/model Designation | TS-148/UP |
| Reference Number Differentiating Characteristics | AS MANUFACTURED BY HAZELTINE ELECTRONICS CORP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3F4325-148 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 7502890G1 | 5/1 Secondary reference U.S. Government activity |
| TS148UP | 3/1 Design control — primary reference U.S. Government activity |
| 7502890G1 | 5/1 Secondary reference Westinghouse Electric Corp |
NSN 6625-00-166-1040 is a Analyzer,spectrum, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-166-1040 has 1 manufacturer part number on file: 3F4325-148 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
1 possible match (shared part number, not a government interchangeability claim): 6625-00-643-3076. Verify interchangeability with system specifications before substitution.
Key specifications for 3F4325-148: Overall Height: 9.000 INCHES NOMINAL IN; Phase: SINGLE; Frequency Band Quantity: 1; AC Voltage Rating: 105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM. 14 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.