PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3874Test Set,electronic Systems

Alliant Defense Electronics Systems Inc Ata Products · NSN 6625-01-303-8344 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-303-8344 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-303-8344. Primary manufacturer part number: 3874.
Features
  • Test Set,electronic Systems — FSC 6625
  • Width: 6.500 INCHES NOMINAL IN
  • Length: 10.500 INCHES NOMINAL IN
  • Operating Test Capability: MINUS 10-PLUS 50 OHMS
  • Height: 4.500 INCHES NOMINAL IN
  • Enclosure Feature: MULTIPLE ITEM W/CARRYING CASE
  • AC Voltage Rating: 230.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
  • DC Voltage Rating: 325.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Test Set,electronic Systems, cataloged under National Stock Number 6625-01-303-8344, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Alliant Defense Electronics Systems Inc Ata Products. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-01-303-8344
Primary Part Number3874
Item NameTest Set,electronic Systems
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerAlliant Defense Electronics Systems Inc Ata Products
StatusACTIVE
Width6.500 INCHES NOMINAL IN
Length10.500 INCHES NOMINAL IN
Operating Test CapabilityMINUS 10-PLUS 50 OHMS
Height4.500 INCHES NOMINAL IN
Enclosure FeatureMULTIPLE ITEM W/CARRYING CASE
AC Voltage Rating230.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
DC Voltage Rating325.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Electrical Power Source RelationshipOPERATING
Test Type for Which DesignedIMPEDANCE MEASUREMENTS
Width6.500 INCHES NOMINAL IN
Length10.500 INCHES NOMINAL IN
Operating Test CapabilityMINUS 10-PLUS 50 OHMS
Height4.500 INCHES NOMINAL IN
Enclosure FeatureMULTIPLE ITEM W/CARRYING CASE
AC Voltage Rating230.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
DC Voltage Rating325.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Electrical Power Source RelationshipOPERATING
Test Type for Which DesignedIMPEDANCE MEASUREMENTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5975-00-079-8781 INTERCHANGEABLE
Bushing,electrical Conduit
5310-00-724-607156979 INTERCHANGEABLE
Nut,plain,hexagon
Parker Hannifin Corporation Div Hydraulic Systems Division
5320-00-770-57217705721 INTERCHANGEABLE
Rivet,tubular
U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-168-3869 INTERCHANGEABLE
Nut,plain,plate
6645-01-336-364710836804 INTERCHANGEABLE
Meter,time Totalizing
Stewart-Warner Corporation
5342-01-363-28633874 INTERCHANGEABLE
Mount,resilient,weapon System
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
6510-01-364-140873458-47 INTERCHANGEABLE
Bandage,cast,impregnated
Bsn Medical Inc
5330-01-376-96603874 INTERCHANGEABLE
Gasket
Corken International Corp Sub of Hinderliter Industries Inc
Cross-Reference Index
Part NumberManufacturer
3874 Alliant Defense Electronics Systems Inc Ata Products (USA)
3874 Chemring Energetics Uk Limited (GBR)
Related Parts
5975-00-079-8781INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
5310-00-724-6071INTERCHANGEABLE
NUT,PLAIN,HEXAGON
56979
5320-00-770-5721INTERCHANGEABLE
RIVET,TUBULAR
7705721
5310-01-168-3869INTERCHANGEABLE
NUT,PLAIN,PLATE
6645-01-336-3647INTERCHANGEABLE
METER,TIME TOTALIZING
10836804
5342-01-363-2863INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
3874
6510-01-364-1408INTERCHANGEABLE
BANDAGE,CAST,IMPREGNATED
73458-47
5330-01-376-9660INTERCHANGEABLE
GASKET
3874

Frequently Asked Questions

What is NSN 6625-01-303-8344?

NSN 6625-01-303-8344 is a Test Set,electronic Systems, manufactured by Alliant Defense Electronics Systems Inc Ata Products, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-303-8344?

NSN 6625-01-303-8344 has 2 cross-referenced part numbers: 3874 (Alliant Defense Electronics Systems Inc Ata Products), 3874 (Chemring Energetics Uk Limited).

What NSN replaces 6625-01-303-8344?

There are 8 known substitutes for 6625-01-303-8344: 5975-00-079-8781, 5310-00-724-6071, 5320-00-770-5721 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3874?

Key specifications for 3874: Width: 6.500 INCHES NOMINAL IN; Length: 10.500 INCHES NOMINAL IN; Operating Test Capability: MINUS 10-PLUS 50 OHMS; Height: 4.500 INCHES NOMINAL IN. 20 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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