PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L2-1Meter Movement

Phaostron Instrument and Electronic Company · NSN 6695-00-256-7943 · FSC 6695 · No Item Name Available
Verified by PartsTable
NSN 6695-00-256-7943 — this item is cataloged by the U.S. Government under National Stock Number 6695-00-256-7943. Primary manufacturer part number: L2-1.
Features
  • Meter Movement — FSC 6695
  • FSC Application Data: INDICATOR,ALTITUDE,PART NO. 4K90059-109A A
  • 2 verified cross-references
  • Primary manufacturer: Phaostron Instrument and Electronic Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Meter Movement, cataloged under National Stock Number 6695-00-256-7943, is classified within Federal Supply Class 6695 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6695-00-256-7943
Primary Part NumberL2-1
Item NameMeter Movement
FSC / FSG6695 / 66 — No Item Name Available
ManufacturerPhaostron Instrument and Electronic Company
StatusACTIVE
FSC Application DataINDICATOR,ALTITUDE,PART NO. 4K90059-109A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2940-00-141-9025 INTERCHANGEABLE
Filter Element,fluid
3120-00-218-4177L21 INTERCHANGEABLE
Bearing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
2940-00-382-8003L21 INTERCHANGEABLE
Line
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5340-00-610-5044L2-1 INTERCHANGEABLE
Clamp,synchro
Roller Bearing Co of America, Inc Div Pic Design
5340-01-174-84448478A41H01 INTERCHANGEABLE
Clamp,synchro
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4320-01-327-60572904700 INTERCHANGEABLE
Impeller,pump,centrifugal
W S Darley & Co Div Darley Pump Division
Cross-Reference Index
Part NumberManufacturer
L2-1 PRIMARY Phaostron Instrument and Electronic Company (USA)
1977041-1 Honeywell Intl Inc Defense Avionics Systems (USA)
Related Parts
2940-00-141-9025INTERCHANGEABLE
FILTER ELEMENT,FLUID
3120-00-218-4177INTERCHANGEABLE
BEARING,SLEEVE
L21
2940-00-382-8003INTERCHANGEABLE
LINE
L21
5340-00-610-5044INTERCHANGEABLE
CLAMP,SYNCHRO
L2-1
5340-01-174-8444INTERCHANGEABLE
CLAMP,SYNCHRO
8478A41H01
4320-01-327-6057INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
2904700

Frequently Asked Questions

What is NSN 6695-00-256-7943?

NSN 6695-00-256-7943 is a Meter Movement, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6695 (No Item Name Available). Status: active.

What are the part numbers for NSN 6695-00-256-7943?

NSN 6695-00-256-7943 has 2 cross-referenced part numbers: L2-1 (Phaostron Instrument and Electronic Company), 1977041-1 (Honeywell Intl Inc Defense Avionics Systems).

What NSN replaces 6695-00-256-7943?

There are 6 known substitutes for 6695-00-256-7943: 2940-00-141-9025, 3120-00-218-4177, 2940-00-382-8003 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L2-1?

Key specifications for L2-1: FSC Application Data: INDICATOR,ALTITUDE,PART NO. 4K90059-109A A. 1 total characteristics are documented in the Federal Logistics Information System.

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