PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7491Disk Assembly,strainer

Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect · NSN 4440-01-044-0890 · FSC 4440 · No Item Name Available
Verified by PartsTable
NSN 4440-01-044-0890 — this item is cataloged by the U.S. Government under National Stock Number 4440-01-044-0890. Primary manufacturer part number: 7491.
Features
  • Disk Assembly,strainer — FSC 4440
  • General Characteristics Item Description: STAINLESS STEEL,CONSISTS OF 2 EA PERF SHEETS 16 GAGE 8.33 IN. DIA WITH 1-1/32 IN. DIA HOLE IN CENTER,2 EA 40 MESH SCREENS 8.31 IN. DIA WITH 1-1/32 IN. HOLE IN CENTER,3 EA TUBE SPACERS 3/8 IN. OD 3/8 IN. LG,3 EA MACHINE SCREWS NO.10-32 3/4 IN. LG,3 EA LOCK WASHER NO.10,3 @EA HEX NUTS NO.10-32,3 EA COMPRESSION SPRINGS PART NO.6207-21 IN
  • 2 verified cross-references
  • Primary manufacturer: Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Disk Assembly,strainer, cataloged under National Stock Number 4440-01-044-0890, is classified within Federal Supply Class 4440 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect. 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4440-01-044-0890
Primary Part Number7491
Item NameDisk Assembly,strainer
FSC / FSG4440 / 44 — No Item Name Available
ManufacturerCooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
StatusACTIVE
General Characteristics Item DescriptionSTAINLESS STEEL,CONSISTS OF 2 EA PERF SHEETS 16 GAGE 8.33 IN. DIA WITH 1-1/32 IN. DIA HOLE IN CENTER,2 EA 40 MESH SCREENS 8.31 IN. DIA WITH 1-1/32 IN. HOLE IN CENTER,3 EA TUBE SPACERS 3/8 IN. OD 3/8 IN. LG,3 EA MACHINE SCREWS NO.10-32 3/4 IN. LG,3 EA LOCK WASHER NO.10,3 @EA HEX NUTS NO.10-32,3 EA COMPRESSION SPRINGS PART NO.6207-21 IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-161-77296464 INTERCHANGEABLE
Seat,valve
Wallace-Murray Corp Eljer Plumbingware Div Vitreous China Plant
5330-00-202-32967491 INTERCHANGEABLE
Rubber Strip
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5999-00-241-7739 INTERCHANGEABLE
Contact,electrical
4820-00-287-561112Z6044-4 INTERCHANGEABLE
Valve,pneumatic Tank
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5360-00-373-8759749-1 INTERCHANGEABLE
Spring,helical,compression
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5310-00-596-8861 INTERCHANGEABLE
Washer,split
5310-01-240-54307491 INTERCHANGEABLE
Washer,safety
Essex Industries, Inc. Dba Essex Industries
5930-01-616-9228PP11-51-10.0A-XX-V INTERCHANGEABLE
Switch,push-Pull
Sensata Technologies Maryland, Inc
Cross-Reference Index
Part NumberManufacturer
7491 Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect (USA)
7491 Air Dry Co of America, Llc (USA)
Related Parts
4820-00-161-7729INTERCHANGEABLE
SEAT,VALVE
6464
5330-00-202-3296INTERCHANGEABLE
RUBBER STRIP
7491
5999-00-241-7739INTERCHANGEABLE
CONTACT,ELECTRICAL
4820-00-287-5611INTERCHANGEABLE
VALVE,PNEUMATIC TANK
12Z6044-4
5360-00-373-8759INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
749-1
5310-00-596-8861INTERCHANGEABLE
WASHER,SPLIT
5310-01-240-5430INTERCHANGEABLE
WASHER,SAFETY
7491
5930-01-616-9228INTERCHANGEABLE
SWITCH,PUSH-PULL
PP11-51-10.0A-XX-V

Frequently Asked Questions

What is NSN 4440-01-044-0890?

NSN 4440-01-044-0890 is a Disk Assembly,strainer, manufactured by Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect, classified under FSC 4440 (No Item Name Available). Status: active.

What are the part numbers for NSN 4440-01-044-0890?

NSN 4440-01-044-0890 has 2 cross-referenced part numbers: 7491 (Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect), 7491 (Air Dry Co of America, Llc).

What NSN replaces 4440-01-044-0890?

There are 8 known substitutes for 4440-01-044-0890: 4820-00-161-7729, 5330-00-202-3296, 5999-00-241-7739 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7491?

Key specifications for 7491: General Characteristics Item Description: STAINLESS STEEL,CONSISTS OF 2 EA PERF SHEETS 16 GAGE 8.33 IN. DIA WITH 1-1/32 IN. DIA HOLE IN CENTER,2 EA 40 MESH SCREENS 8.31 IN. DIA WITH 1-1/32 IN. HOLE IN CENTER,3 EA TUBE SPACERS 3/8 IN. OD 3/8 IN. LG,3 EA MACHINE SCREWS NO.10-32 3/4 IN. LG,3 EA LOCK WASHER NO.10,3 @EA HEX NUTS NO.10-32,3 EA COMPRESSION SPRINGS PART NO.6207-21 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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