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Technical Data Sheet
PartsTable / COMPONENT / 139420
139420 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

HARNESS,MOUNTAIN CLIMBING-RESCUE. Key specifications include lifeline: NOT INCLUDED, adjustment_method: SLIDING BUCKLE, adjustable_leg_support: FURNISHED, thigh_strap_adjustability: ADJUSTABLE, part_name_assigned_by_controlling_agency: ISH LEG LOOPS - MED - COYOTE BROWN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4931-00-178-1063, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
139420
NSN: 4931-00-178-1063
FSC: 4931
CAGE: 50423 — BALLANTINE LABORATORIES INC (USA)
SPECIFICATIONS
lifelineNOT INCLUDED
adjustment_methodSLIDING BUCKLE
adjustable_leg_supportFURNISHED
thigh_strap_adjustabilityADJUSTABLE
part_name_assigned_by_controlling_agencyISH LEG LOOPS - MED - COYOTE BROWN
NSN4931-00-178-1063
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HARNESS,MOUNTAIN CLIMBING-RESCUE TITLE COMPONENT PN 139420 MFR HARNESS,MOUNTAIN CLIMB
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRASS,5.625 IN. LG,2.125 IN. DIA,FREQ RANGE FROM DC TO 100 MHZ,INPUT RESISTANCE 200 OHMS PER V,VOLTAGE RATING 20.0 V MHz
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRASS,5.625 IN. LG,2.125 IN. DIA,FREQ RANGE FROM DC TO 100 MHZ,INPUT RESISTANCE 200 OHMS PER V,VOLTAGE RATING 20.0 V MHz
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
129790Interchangeable
interchangeable cross-reference
interchangeable
10819-1Interchangeable
interchangeable cross-reference
interchangeable
TM363Interchangeable
interchangeable cross-reference
interchangeable
07.0711.0209Interchangeable
interchangeable cross-reference
interchangeable
139420Interchangeable
interchangeable cross-reference
interchangeable
4550-MD-CBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 139420?
139420 is a HARNESS,MOUNTAIN CLIMBING-RESCUE.
What parts can replace 139420?
There are 7 known substitutes for 139420: 129790, 10819-1, TM363 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 139420?
139420 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4931-00-178-1063. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026