PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3254Reflectometer,optical Time Domai

Jewell Instruments Llc · NSN 6625-01-661-5231 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-661-5231 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-661-5231. Primary manufacturer part number: 3254.
Features
  • Reflectometer,optical Time Domai — FSC 6625
  • Unpackaged Unit Weight: 45.35 GRAMS G
  • Power Source: SELF-CONTAINED
  • Unpackaged Unit Weight: 45.35 GRAMS G
  • Power Source: SELF-CONTAINED
  • 1 verified cross-reference
  • Primary manufacturer: Jewell Instruments Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reflectometer,optical Time Domai, cataloged under National Stock Number 6625-01-661-5231, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jewell Instruments Llc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-01-661-5231
Primary Part Number3254
Item NameReflectometer,optical Time Domai
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Unpackaged Unit Weight45.35 GRAMS G
Power SourceSELF-CONTAINED
Unpackaged Unit Weight45.35 GRAMS G
Power SourceSELF-CONTAINED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4310-00-148-44733254 INTERCHANGEABLE
Pilot Assembly,reli
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
3110-00-156-485010098 INTERCHANGEABLE
Bearing,ball,annular
Klauer Manufacturing Company
3940-00-294-29423254 INTERCHANGEABLE
Adapter,hoisting
Allison Transmission Inc Dba Allison Transmission, Inc
3120-00-447-53983-25-4 INTERCHANGEABLE
Bearing,sleeve
Trailmobile Inc Sub of the Pullman Co
5310-00-768-0319 INTERCHANGEABLE
Nut,plain,hexagon
5360-00-840-1943 INTERCHANGEABLE
Spring,helical,extension
2530-00-848-51735457160 INTERCHANGEABLE
Cylinder
General Motors Llc Dba General Motors Llc
5950-01-196-183817252-0021 INTERCHANGEABLE
Reactor
Telephonics Corporation
9330-01-337-29773254 INTERCHANGEABLE
Fitting,cord,pigtai
Heyco Inc Dba Heyco Products
5962-01-364-54293254 INTERCHANGEABLE
Microcircuit,memory
Trig-Tek, Incorporated
Cross-Reference Index
Part NumberManufacturer
3254 PRIMARY Jewell Instruments Llc (USA)
Related Parts
4310-00-148-4473INTERCHANGEABLE
PILOT ASSEMBLY,RELI
3254
3110-00-156-4850INTERCHANGEABLE
BEARING,BALL,ANNULAR
10098
3940-00-294-2942INTERCHANGEABLE
ADAPTER,HOISTING
3254
3120-00-447-5398INTERCHANGEABLE
BEARING,SLEEVE
3-25-4
5310-00-768-0319INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5360-00-840-1943INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
2530-00-848-5173INTERCHANGEABLE
CYLINDER
5457160
5950-01-196-1838INTERCHANGEABLE
REACTOR
17252-0021
9330-01-337-2977INTERCHANGEABLE
FITTING,CORD,PIGTAI
3254
5962-01-364-5429INTERCHANGEABLE
MICROCIRCUIT,MEMORY
3254

Frequently Asked Questions

What is NSN 6625-01-661-5231?

NSN 6625-01-661-5231 is a Reflectometer,optical Time Domai, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-661-5231?

NSN 6625-01-661-5231 has 1 cross-referenced part number: 3254 (Jewell Instruments Llc).

What NSN replaces 6625-01-661-5231?

There are 10 known substitutes for 6625-01-661-5231: 4310-00-148-4473, 3110-00-156-4850, 3940-00-294-2942 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3254?

Key specifications for 3254: Overall Depth: 1.0 INCHES NOMINAL IN; Unpackaged Unit Weight: 45.35 GRAMS G; Overall Width: 2.0 INCHES NOMINAL IN; Power Source: SELF-CONTAINED. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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