PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2251Counter,electronic,digital Reado

Astronics Test Systems Inc · NSN 6625-01-371-8269 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-371-8269 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-371-8269. Primary manufacturer part number: 2251.
Features
  • Counter,electronic,digital Reado — FSC 6625
  • Current Type: DC
  • Standard Frequency Output Feature: NOT INCLUDED
  • Remote Control Provisions: INCLUDED
  • Unpackaged Unit Weight: 3.000 POUNDS LBS
  • Electrical Connection Quantity: 5
  • Plug-in Units Provision: NOT INCLUDED
  • Frequency Range: +0.000 TO 160.000 MEGAHERTZ OVERALL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Counter,electronic,digital Reado, cataloged under National Stock Number 6625-01-371-8269, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Astronics Test Systems Inc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-371-8269
Primary Part Number2251
Item NameCounter,electronic,digital Reado
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerAstronics Test Systems Inc
StatusACTIVE
Current TypeDC
Standard Frequency Output FeatureNOT INCLUDED
Remote Control ProvisionsINCLUDED
Unpackaged Unit Weight3.000 POUNDS LBS
Electrical Connection Quantity5
Plug-in Units ProvisionNOT INCLUDED
Frequency Range+0.000 TO 160.000 MEGAHERTZ OVERALL
Accuracy RatingPORM RESOLUTION,PLUS PORM TIME BASE ERROR,MULTIPLIED BY FREQUENCY
Solid State FeatureINCLUDED
Measurement TypeFREQUENCY AND PERIOD AVERAGE AND RATIO AND TIME AND TIME INTERVAL AND TOTALIZING
Count Rate0.0 MEGAHERTZ MINIMUM SINGLE PERIOD AND 160.0 MEGAHERTZ MAXIMUM SINGLE PERIOD
Ratio DisplayF1/F2 TIMES THE PERIOD MULTIPLIERFROM DC TO 100 MHZ MHz
Period Range+10.0 TO 160000000.0
Display Units IndicatorNOT INCLUDED
Display Storage FacilityNOT INCLUDED
Internal Calibration FeatureINCLUDED
Gate Time200.0 MICROSECONDS MINIMUM AND 99900000.0 MICROSECONDS MAXIMUM US
Display Positioned Decimal PointNOT PROVIDED
Sensitivity Rating25 MV RMS TO 100 MHZ AND 50 MV RMS TO 160 MHZ MHz
Period Range Step Quantity1 UNIT STEPS
Electrical Connection TypeBNC
Current TypeDC
Standard Frequency Output FeatureNOT INCLUDED
Remote Control ProvisionsINCLUDED
Unpackaged Unit Weight3.000 POUNDS LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeT
Unit of IssueEA
SMR CodeVT
Weight7.7000 lbs
Cube0.5353 cu ft
Verified Substitutes 12
5330-00-106-55532-251 INTERCHANGEABLE
Gasket
Gross Mechanical Laboratories Inc
6230-00-164-660517-4385-100-510 INTERCHANGEABLE
Flashlight
Chief of Engineers Dept of Army
5331-00-165-1966M83248/1-251 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4820-00-203-25892251 INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4730-00-479-0098 INTERCHANGEABLE
Elbow,pipe
2840-00-783-6900404681 INTERCHANGEABLE
Shaft Assy,cross,po
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5340-00-798-7868105B2523P1 INTERCHANGEABLE
Bracket,angle
General Electric Company
5331-01-039-3076MS28775-251 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
6625-01-052-22772251 INTERCHANGEABLE
Voltmeter
North Atlantic Industries, Inc. Dba North Atlantic Industries
4240-01-263-9349 INTERCHANGEABLE
Strap,mask
Cross-Reference Index
Part NumberManufacturer
1085812A00 Mbda France (FRA)
2251 PRIMARY Astronics Test Systems Inc (USA)
404681 Astronics Test Systems Inc (USA)
Related Parts
5330-00-106-5553INTERCHANGEABLE
GASKET
2-251
6230-00-164-6605INTERCHANGEABLE
FLASHLIGHT
17-4385-100-510
5331-00-165-1966INTERCHANGEABLE
O-RING
M83248/1-251
4820-00-203-2589INTERCHANGEABLE
VALVE,SAFETY RELIEF
2251
4730-00-479-0098INTERCHANGEABLE
ELBOW,PIPE
2840-00-783-6900INTERCHANGEABLE
SHAFT ASSY,CROSS,PO
404681
5340-00-798-7868INTERCHANGEABLE
BRACKET,ANGLE
105B2523P1
5331-01-039-3076INTERCHANGEABLE
O-RING
MS28775-251
6625-01-052-2277INTERCHANGEABLE
VOLTMETER
2251
4240-01-263-9349INTERCHANGEABLE
STRAP,MASK
6230-01-270-5981INTERCHANGEABLE
FLASHLIGHT
6619T6
5330-01-288-2588INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 6625-01-371-8269?

NSN 6625-01-371-8269 is a Counter,electronic,digital Reado, manufactured by Astronics Test Systems Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-371-8269?

NSN 6625-01-371-8269 has 3 cross-referenced part numbers: 1085812A00 (Mbda France), 2251 (Astronics Test Systems Inc), 404681 (Astronics Test Systems Inc).

What NSN replaces 6625-01-371-8269?

There are 12 known substitutes for 6625-01-371-8269: 5330-00-106-5553, 6230-00-164-6605, 5331-00-165-1966 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2251?

Key specifications for 2251: Current Type: DC; Overall Width: 1.188 INCHES NOMINAL IN; Standard Frequency Output Feature: NOT INCLUDED; Remote Control Provisions: INCLUDED. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com