PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A554-444Insulating,cushion

L3 Technologies, Inc. Div L3 Keo · NSN 2040-00-830-2621 · FSC 2040 · No Item Name Available
Verified by PartsTable
NSN 2040-00-830-2621 — this item is cataloged by the U.S. Government under National Stock Number 2040-00-830-2621. Primary manufacturer part number: A554-444.
Features
  • Insulating,cushion — FSC 2040
  • General Characteristics Item Description: POLYTETRAFLUOROETHYLENE; 1.367 IN. MIN 1.372 IN. MAX DIA; 0.010 IN. THK IN
  • 10 verified cross-references
  • Primary manufacturer: L3 Technologies, Inc. Div L3 Keo
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulating,cushion, cataloged under National Stock Number 2040-00-830-2621, is classified within Federal Supply Class 2040 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2040-00-830-2621
Primary Part NumberA554-444
Item NameInsulating,cushion
FSC / FSG2040 / 20 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
General Characteristics Item DescriptionPOLYTETRAFLUOROETHYLENE; 1.367 IN. MIN 1.372 IN. MAX DIA; 0.010 IN. THK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5825-00-477-7848003822 INTERCHANGEABLE
Screen,exhaust
Moog Inc Div Moog Inc., Space and Defense - Salt Lake City
4140-01-271-1918003644 INTERCHANGEABLE
Impeller,fan,centrifugal
Zoeller Company Dba Zoeller Pump Company
5330-01-655-3453003822 INTERCHANGEABLE
Gasket Set
Admiral Valve Llc Dba Cpv Manufacturing
Cross-Reference Index
Part NumberManufacturer
A554-244RAPCALL L3 Technologies, Inc. Div L3 Keo (USA)
A554-444 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
003822 L3 Technologies, Inc. Div L3 Keo (USA)
554A003644 L3 Technologies, Inc. Div L3 Keo (USA)
554A003822 Northrop Grumman Systems Corporation (USA)
A554-244 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
554A003644 Northrop Grumman Systems Corporation (USA)
003644 L3 Technologies, Inc. Div L3 Keo (USA)
H554-1RBPC25 L3 Technologies, Inc. Div L3 Keo (USA)
554A003822 L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
5825-00-477-7848INTERCHANGEABLE
SCREEN,EXHAUST
003822
4140-01-271-1918INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
003644
5330-01-655-3453INTERCHANGEABLE
GASKET SET
003822

Frequently Asked Questions

What is NSN 2040-00-830-2621?

NSN 2040-00-830-2621 is a Insulating,cushion, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 2040 (No Item Name Available). Status: active.

What are the part numbers for NSN 2040-00-830-2621?

NSN 2040-00-830-2621 has 10 cross-referenced part numbers: A554-244RAPCALL (L3 Technologies, Inc. Div L3 Keo), A554-444 (L3 Technologies, Inc. Div L3 Keo), 003822 (L3 Technologies, Inc. Div L3 Keo), 554A003644 (L3 Technologies, Inc. Div L3 Keo), 554A003822 (Northrop Grumman Systems Corporation) and 5 more.

What NSN replaces 2040-00-830-2621?

There are 3 known substitutes for 2040-00-830-2621: 5825-00-477-7848, 4140-01-271-1918, 5330-01-655-3453. Verify interchangeability with system specifications before substitution.

What are the specifications of A554-444?

Key specifications for A554-444: General Characteristics Item Description: POLYTETRAFLUOROETHYLENE; 1.367 IN. MIN 1.372 IN. MAX DIA; 0.010 IN. THK IN. 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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