PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12277644-1Lead,test

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 6625-00-865-6637 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-865-6637 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-865-6637. Primary manufacturer part number: 12277644-1.
Features
  • Lead,test — FSC 6625
  • Criticality Code Justification: FEAT
  • Color: RED FIRST POSITION COVER SINGLE CONDUCTOR
  • Material Document and Classification: QQ-W-343,SOFT FED STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
  • FSC Application Data: ELEC,ELECT. PROPERTIES MEASURING AND TEST INSTRUMENTS
  • Precious Material: GOLD
  • Strand Quantity Per Conductor: 41 SINGLE CONDUCTOR
  • Termination Type: PLUG TELEPHONE BOTH ENDS SINGLE CONDUCTOR
Applications
  • Applications requiring Copper Core Conductor Single Conductor construction
General Description

The Lead,test, cataloged under National Stock Number 6625-00-865-6637, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-865-6637
Primary Part Number12277644-1
Item NameLead,test
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Criticality Code JustificationFEAT
ColorRED FIRST POSITION COVER SINGLE CONDUCTOR
Material Document and ClassificationQQ-W-343,SOFT FED STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
FSC Application DataELEC,ELECT. PROPERTIES MEASURING AND TEST INSTRUMENTS
Precious MaterialGOLD
Strand Quantity Per Conductor41 SINGLE CONDUCTOR
Termination TypePLUG TELEPHONE BOTH ENDS SINGLE CONDUCTOR
Strand Awg Size Per Conductor36 SINGLE CONDUCTOR
Round Conductor Size20 AWG SINGLE CONDUCTOR
Surface TreatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
MaterialPLASTIC POLYVINYL FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
Precious Material and LocationCONTACTSURFACE GOLD
Cross Section Outside Diameter0.087 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
Criticality Code JustificationFEAT
ColorRED FIRST POSITION COVER SINGLE CONDUCTOR
Material Document and ClassificationQQ-W-343,SOFT FED STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
FSC Application DataELEC,ELECT. PROPERTIES MEASURING AND TEST INSTRUMENTS
Precious MaterialGOLD
Strand Quantity Per Conductor41 SINGLE CONDUCTOR
Termination TypePLUG TELEPHONE BOTH ENDS SINGLE CONDUCTOR
Strand Awg Size Per Conductor36 SINGLE CONDUCTOR
Round Conductor Size20 AWG SINGLE CONDUCTOR
Surface TreatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
MaterialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
Conductor FormSTRANDED SINGLE CONDUCTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeZZ
Weight0.0500 lbs
Cube0.0062 cu ft
Verified Substitutes 9
Cable,special Purpose,electrical
6625-01-153-7592810AS1487 SUCCESSOR
Lead,test
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
3110-00-156-142122308 INTERCHANGEABLE
Bearing,roller,self-Aligning
Brinkley Technology Group Llc Dba Hercules Manufacturing
3110-00-156-357610879 INTERCHANGEABLE
Bearing,ball,annular
Uniontools Inc
2940-00-541-3499376376R92 INTERCHANGEABLE
Filter Element,fluid
Dressta North America Ltd
5120-01-361-8724P-122 INTERCHANGEABLE
Punch,center,solid
Ngk Metals Corporation Dba N G K Berylco
5305-01-417-8760P122 INTERCHANGEABLE
Setscrew
Alfred Conhagen, Inc.
5950-01-432-276815544 INTERCHANGEABLE
Reactor
Magnespec Inc
6630-01-576-5958P122 INTERCHANGEABLE
Physiograph System
Astro-Med Inc Dba Grass-Telefactor Product Group
Cross-Reference Index
Part NumberManufacturer
P-12-2 Fluke Electronics Corp (USA)
990C653H02 Northrop Grumman Systems Corporation Dba Electronic Systems (USA)
723898-728 Raytheon Company Div Rmd Strategic (USA)
P-12-2 Zabel Technik Gmbh (DEU)
723898-728 Raytheon Company Dba Raytheon (USA)
12277644-1 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
P12RED Fluke Electronics Corp Pomona Electronics Div (USA)
4444-A-12-2 Mueller Electric Company, Inc. Div Mueller Electric Company (USA)
Related Parts
6145-01-113-2337SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
6625-01-153-7592SUCCESSOR
LEAD,TEST
810AS1487
3110-00-156-1421INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
22308
3110-00-156-3576INTERCHANGEABLE
BEARING,BALL,ANNULAR
10879
2940-00-541-3499INTERCHANGEABLE
FILTER ELEMENT,FLUID
376376R92
5120-01-361-8724INTERCHANGEABLE
PUNCH,CENTER,SOLID
P-122
5305-01-417-8760INTERCHANGEABLE
SETSCREW
P122
5950-01-432-2768INTERCHANGEABLE
REACTOR
15544
6630-01-576-5958INTERCHANGEABLE
PHYSIOGRAPH SYSTEM
P122

Frequently Asked Questions

What is NSN 6625-00-865-6637?

NSN 6625-00-865-6637 is a Lead,test, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-865-6637?

NSN 6625-00-865-6637 has 8 cross-referenced part numbers: P-12-2 (Fluke Electronics Corp), 990C653H02 (Northrop Grumman Systems Corporation Dba Electronic Systems), 723898-728 (Raytheon Company Div Rmd Strategic), P-12-2 (Zabel Technik Gmbh), 723898-728 (Raytheon Company Dba Raytheon) and 3 more.

What NSN replaces 6625-00-865-6637?

There are 9 known substitutes for 6625-00-865-6637: 6145-01-113-2337, 6625-01-153-7592, 3110-00-156-1421 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12277644-1?

Key specifications for 12277644-1: Criticality Code Justification: FEAT; Color: RED FIRST POSITION COVER SINGLE CONDUCTOR; Material Document and Classification: QQ-W-343,SOFT FED STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR; FSC Application Data: ELEC,ELECT. PROPERTIES MEASURING AND TEST INSTRUMENTS. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-865-6637 still in active supply?

NSN 6625-00-865-6637 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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