PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B253Pitot Tube,check Fi

Lockheed Martin Corp · NSN 6610-00-495-4918 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-495-4918 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-495-4918. Primary manufacturer part number: B253.
Features
  • Pitot Tube,check Fi — FSC 6610
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Pitot Tube,check Fi, cataloged under National Stock Number 6610-00-495-4918, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Corp. This item has 1 commercial cross-reference from 1 manufacturer, 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 NamePitot Tube,check Fi
FSC / FSG6610 — No Item Name Available (FSG 66)
ManufacturersLockheed Martin Corp (CAGE 98897)
Technical Specifications
ParameterValue
NSN6610-00-495-4918
Primary Part NumberB253
Item NamePitot Tube,check Fi
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-01-024-19402448354-1 INTERCHANGEABLE
Transformer,power
Honeywell Intl Inc Defense Avionics Systems
4330-01-074-21674855745-8 INTERCHANGEABLE
Filter Element,fluid
Kalmar AC Inc
Cross-Reference Index
Part NumberManufacturer
B253 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5950-01-024-1940INTERCHANGEABLE
TRANSFORMER,POWER
2448354-1
4330-01-074-2167INTERCHANGEABLE
FILTER ELEMENT,FLUID
4855745-8

Frequently Asked Questions

What is NSN 6610-00-495-4918?

NSN 6610-00-495-4918 is a Pitot Tube,check Fi, manufactured by Lockheed Martin Corp, classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-00-495-4918?

NSN 6610-00-495-4918 has 1 cross-referenced part number: B253 (Lockheed Martin Corp).

What NSN replaces 6610-00-495-4918?

There are 2 known substitutes for 6610-00-495-4918: 5950-01-024-1940, 4330-01-074-2167. Verify interchangeability with system specifications before substitution.

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