PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

139089Gage,clutch Oil Pre

Ametek, Inc. Div Aerospace & Defense · NSN 6620-00-078-3087 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-00-078-3087 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-078-3087. Primary manufacturer part number: 139089.
Features
  • Gage,clutch Oil Pre — FSC 6620
  • 5 verified cross-references
  • Primary manufacturer: Ametek, Inc. Div Aerospace & Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gage,clutch Oil Pre, cataloged under National Stock Number 6620-00-078-3087, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek, Inc. Div Aerospace & Defense. This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGage,clutch Oil Pre
FSC / FSG6620 — No Item Name Available (FSG 66)
ManufacturersKomatsu American Intl Co (CAGE 29510); Navistar International Corporation Dba Navistar (CAGE 31007); Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (CAGE 92679); Ametek, Inc. Div Aerospace & Defense (CAGE 61349); Komatsu America Corp. (CAGE 0SAT8)
Technical Specifications
ParameterValue
NSN6620-00-078-3087
Primary Part Number139089
Item NameGage,clutch Oil Pre
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-01-197-7942139089 INTERCHANGEABLE
Screw,valve Adjusti
Meggitt North Hollywood Inc
Cross-Reference Index
Part NumberManufacturer
308622R91 Komatsu American Intl Co (USA)
308 622 R91 Navistar International Corporation Dba Navistar (USA)
308622R91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
139089 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
308622R91 Komatsu America Corp. (USA)
Related Parts
5305-01-197-7942INTERCHANGEABLE
SCREW,VALVE ADJUSTI
139089

Frequently Asked Questions

What is NSN 6620-00-078-3087?

NSN 6620-00-078-3087 is a Gage,clutch Oil Pre, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-00-078-3087?

NSN 6620-00-078-3087 has 5 cross-referenced part numbers: 308622R91 (Komatsu American Intl Co), 308 622 R91 (Navistar International Corporation Dba Navistar), 308622R91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 139089 (Ametek, Inc. Div Aerospace & Defense), 308622R91 (Komatsu America Corp.).

What NSN replaces 6620-00-078-3087?

There is 1 known substitute for 6620-00-078-3087: 5305-01-197-7942. Verify interchangeability with system specifications before substitution.

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