PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Q4783-191Indicater,leakage

Testek Llc Dba Testek Solutions · NSN 4920-00-140-3466 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-140-3466 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-140-3466. Primary manufacturer part number: Q4783-191.
Features
  • Indicater,leakage — FSC 4920
  • 3 verified cross-references
  • Primary manufacturer: Testek Llc Dba Testek Solutions
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Indicater,leakage, cataloged under National Stock Number 4920-00-140-3466, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Testek Llc Dba Testek Solutions. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameIndicater,leakage
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersTestek Llc Dba Testek Solutions (CAGE 06659); Fischer and Porter Co (CAGE 22375); Aai Corporation Div Mississippi Operations (CAGE 05172)
Technical Specifications
ParameterValue
NSN4920-00-140-3466
Primary Part NumberQ4783-191
Item NameIndicater,leakage
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerTestek Llc Dba Testek Solutions
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5365-00-853-694120-2267 INTERCHANGEABLE
Shim
Ametek Inc Lamb Electric Div
5895-00-994-4528202267 INTERCHANGEABLE
Cap,reel,hub
Sypris Electronics, Llc
Cross-Reference Index
Part NumberManufacturer
Q4783-191 PRIMARY Testek Llc Dba Testek Solutions (USA)
202-267 Fischer and Porter Co (USA)
Q4783-191 Aai Corporation Div Mississippi Operations (USA)
Related Parts
5365-00-853-6941INTERCHANGEABLE
SHIM
20-2267
5895-00-994-4528INTERCHANGEABLE
CAP,REEL,HUB
202267

Frequently Asked Questions

What is NSN 4920-00-140-3466?

NSN 4920-00-140-3466 is a Indicater,leakage, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-140-3466?

NSN 4920-00-140-3466 has 3 cross-referenced part numbers: Q4783-191 (Testek Llc Dba Testek Solutions), 202-267 (Fischer and Porter Co), Q4783-191 (Aai Corporation Div Mississippi Operations).

What NSN replaces 4920-00-140-3466?

There are 2 known substitutes for 4920-00-140-3466: 5365-00-853-6941, 5895-00-994-4528. Verify interchangeability with system specifications before substitution.

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