PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34879Gage Unit,engine

Komatsu America Corporation · NSN 6620-00-377-5555 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-377-5555 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-377-5555. Primary manufacturer part number: 34879.
Features
  • Gage Unit,engine — FSC 6620
  • 7 verified cross-references
  • Primary manufacturer: Komatsu America Corporation
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Gage Unit,engine, cataloged under National Stock Number 6620-00-377-5555, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Komatsu America Corporation. This item has 7 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.

Catalog Facts
Item NameGage Unit,engine
FSC / FSG6620 — No Item Name Available (FSG 66)
ManufacturersKomatsu America Corporation (CAGE 23926); Stewart-Warner Corporation (CAGE 57733)
Technical Specifications
ParameterValue
NSN6620-00-377-5555
Primary Part Number34879
Item NameGage Unit,engine
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerKomatsu America Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-00-082-74511850-0038 INTERCHANGEABLE
Transistor
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
3020-00-406-9596 INTERCHANGEABLE
Sprocket,guard,wash
5305-00-838-1753 INTERCHANGEABLE
Screw,machine
5961-01-099-0869 INTERCHANGEABLE
Transistor
3040-01-110-50313706-2 INTERCHANGEABLE
Disc,brake
Pdi Ground Support Systems, Inc.
4820-01-137-59824-461-2 INTERCHANGEABLE
Stem,fluid Valve
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5330-01-220-923337062 INTERCHANGEABLE
Packing Assortment,preformed
Gil, Inc.
3040-01-418-337346536 INTERCHANGEABLE
Cap,linear Actuating Cylinder
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
D46536 Komatsu America Corporation (USA)
436151 Stewart-Warner Corporation (USA)
34879 PRIMARY Komatsu America Corporation (USA)
37062 Komatsu America Corporation (USA)
RSA37062 Komatsu America Corporation (USA)
46536 PRIMARY Komatsu America Corporation (USA)
RD34879 Komatsu America Corporation (USA)
Related Parts
5961-00-082-7451INTERCHANGEABLE
TRANSISTOR
1850-0038
3020-00-406-9596INTERCHANGEABLE
SPROCKET,GUARD,WASH
5305-00-838-1753INTERCHANGEABLE
SCREW,MACHINE
5961-01-099-0869INTERCHANGEABLE
TRANSISTOR
3040-01-110-5031INTERCHANGEABLE
DISC,BRAKE
3706-2
4820-01-137-5982INTERCHANGEABLE
STEM,FLUID VALVE
4-461-2
5330-01-220-9233INTERCHANGEABLE
PACKING ASSORTMENT,PREFORMED
37062
3040-01-418-3373INTERCHANGEABLE
CAP,LINEAR ACTUATING CYLINDER
46536

Frequently Asked Questions

What is NSN 6620-00-377-5555?

NSN 6620-00-377-5555 is a Gage Unit,engine, manufactured by Komatsu America Corporation, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-00-377-5555?

NSN 6620-00-377-5555 has 7 cross-referenced part numbers: D46536 (Komatsu America Corporation), 436151 (Stewart-Warner Corporation), 34879 (Komatsu America Corporation), 37062 (Komatsu America Corporation), RSA37062 (Komatsu America Corporation) and 2 more.

What NSN replaces 6620-00-377-5555?

There are 8 known substitutes for 6620-00-377-5555: 5961-00-082-7451, 3020-00-406-9596, 5305-00-838-1753 and 5 more. Verify interchangeability with system specifications before substitution.

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