PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3900Test Set,telecommunication Syste

Hekimian Laboratories Inc · NSN 6625-01-069-7812 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-069-7812 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-069-7812. Primary manufacturer part number: 3900.
Features
  • Test Set,telecommunication Syste — FSC 6625
  • Test Type for Which Designed: VF MEASUREMENTS
  • Supplementary Features: MANUFACTURERS NAME: COMMUNICATION TEST SYSTEM
  • Enclosure Feature: MULTIPLE ITEM W/HOUSING
  • Test Type for Which Designed: VF MEASUREMENTS
  • Supplementary Features: MANUFACTURERS NAME: COMMUNICATION TEST SYSTEM
  • Enclosure Feature: MULTIPLE ITEM W/HOUSING
  • 1 verified cross-reference
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Test Set,telecommunication Syste, cataloged under National Stock Number 6625-01-069-7812, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hekimian Laboratories Inc. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-01-069-7812
Primary Part Number3900
Item NameTest Set,telecommunication Syste
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerHekimian Laboratories Inc
StatusACTIVE
Test Type for Which DesignedVF MEASUREMENTS
Supplementary FeaturesMANUFACTURERS NAME: COMMUNICATION TEST SYSTEM
Enclosure FeatureMULTIPLE ITEM W/HOUSING
Test Type for Which DesignedVF MEASUREMENTS
Supplementary FeaturesMANUFACTURERS NAME: COMMUNICATION TEST SYSTEM
Enclosure FeatureMULTIPLE ITEM W/HOUSING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight62.5000 lbs
Cube7.5347 cu ft
Verified Substitutes 12
Ammeter
Cable,power,electrical
7510-00-129-57213900 INTERCHANGEABLE
Ribbon,inking
Supplies Intl
3030-00-528-4594 INTERCHANGEABLE
Belt,v
1680-00-546-0929 INTERCHANGEABLE
Arm,shoulder Harness
4320-00-843-2169 INTERCHANGEABLE
Pump,centrifugal
5325-00-846-84843900 INTERCHANGEABLE
Insert,screw Thread
Telemechanics Inc
3110-00-953-0243 INTERCHANGEABLE
Bearing,bronze
1560-00-974-84853900 INTERCHANGEABLE
Flange,adapter
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
7510-01-026-16904104 RED 2 IN. INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
Valley Industrial Products Inc
Cross-Reference Index
Part NumberManufacturer
3900 PRIMARY Hekimian Laboratories Inc (USA)
Related Parts
6625-00-581-8329SUCCESSOR
AMMETER
6145-00-635-4598SUCCESSOR
CABLE,POWER,ELECTRICAL
7510-00-129-5721INTERCHANGEABLE
RIBBON,INKING
3900
3030-00-528-4594INTERCHANGEABLE
BELT,V
1680-00-546-0929INTERCHANGEABLE
ARM,SHOULDER HARNESS
4320-00-843-2169INTERCHANGEABLE
PUMP,CENTRIFUGAL
5325-00-846-8484INTERCHANGEABLE
INSERT,SCREW THREAD
3900
3110-00-953-0243INTERCHANGEABLE
BEARING,BRONZE
1560-00-974-8485INTERCHANGEABLE
FLANGE,ADAPTER
3900
7510-01-026-1690INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
4104 RED 2 IN.
5805-01-252-7677INTERCHANGEABLE
PANEL,TELEPHONE SWITCHBOARD
3900
6780-01-381-7188INTERCHANGEABLE
DARKROOM EXPENDABLE SUPPLY SET,P

Frequently Asked Questions

What is NSN 6625-01-069-7812?

NSN 6625-01-069-7812 is a Test Set,telecommunication Syste, manufactured by Hekimian Laboratories Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-069-7812?

NSN 6625-01-069-7812 has 1 cross-referenced part number: 3900 (Hekimian Laboratories Inc).

What NSN replaces 6625-01-069-7812?

There are 12 known substitutes for 6625-01-069-7812: 6625-00-581-8329, 6145-00-635-4598, 7510-00-129-5721 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3900?

Key specifications for 3900: Special Features: CONSISTS OF TEST SYSTEM 3901L; EXPANSION UNIT 3910; IMPULSE NOISE MODULE 3911; INTERFACE 3922; BLANK PANEL 3979; CRT DISPLAY 3980; INTERCONNECT CABLE 3921-2-099; RACK SHELF ADAPTER OPTION 2; ENVELOPE DELAY MODULE 3912; HITS/JITTER 3913; NONLINEAR DISTORTION PLUG IN 3914; RETURN LOSS PLUG IN 3916; INTERFACE PLUG IN 3921; Test Type for Which Designed: VF MEASUREMENTS; Supplementary Features: MANUFACTURERS NAME: COMMUNICATION TEST SYSTEM; Enclosure Feature: MULTIPLE ITEM W/HOUSING. 8 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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