PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9664Spring Disk Assembly

Air Dry Co of America, Llc · NSN 4440-01-218-0051 · FSC 4440 · No Item Name Available
Verified by PartsTable
NSN 4440-01-218-0051 — this item is cataloged by the U.S. Government under National Stock Number 4440-01-218-0051. Primary manufacturer part number: 9664.
Features
  • Spring Disk Assembly — FSC 4440
  • 3 verified cross-references
  • Primary manufacturer: Air Dry Co of America, Llc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring Disk Assembly, cataloged under National Stock Number 4440-01-218-0051, 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 Air Dry Co of America, Llc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpring Disk Assembly
FSC / FSG4440 — No Item Name Available (FSG 44)
ManufacturersAir Dry Co of America, Llc (CAGE 01496)
Technical Specifications
ParameterValue
NSN4440-01-218-0051
Primary Part Number9664
Item NameSpring Disk Assembly
FSC / FSG4440 / 44 — No Item Name Available
ManufacturerAir Dry Co of America, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-133-3111 INTERCHANGEABLE
Seal,plain Encased
3460-00-181-7051 INTERCHANGEABLE
Collet,machine
5120-00-237-8172 INTERCHANGEABLE
Screwdriver,cross Tip
5360-00-962-7226 INTERCHANGEABLE
Spring,helical,compression
5985-01-089-61699664 INTERCHANGEABLE
Attenuator,variable
Spectrum Control Inc Div Weinschel
4730-01-217-27186368-19 INTERCHANGEABLE
Strainer Element,sediment
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
4440-01-218-0050 INTERCHANGEABLE
Desiccant Container,dehumidifier
4440-01-218-0052 INTERCHANGEABLE
Desiccant Container,dehumidifier
5998-01-464-87619664 INTERCHANGEABLE
Circuit Card Assembly
Hose-Mccann Telephone Co, Inc
2530-01-490-6992 INTERCHANGEABLE
Rim,wheel,pneumatic Tire
Cross-Reference Index
Part NumberManufacturer
9664 Air Dry Co of America, Llc (USA)
10278-11 Air Dry Co of America, Llc (USA)
10278-11 PIECE 20 Air Dry Co of America, Llc (USA)
Related Parts
5330-00-133-3111INTERCHANGEABLE
SEAL,PLAIN ENCASED
3460-00-181-7051INTERCHANGEABLE
COLLET,MACHINE
5120-00-237-8172INTERCHANGEABLE
SCREWDRIVER,CROSS TIP
5360-00-962-7226INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5985-01-089-6169INTERCHANGEABLE
ATTENUATOR,VARIABLE
9664
4730-01-217-2718INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
6368-19
4440-01-218-0050INTERCHANGEABLE
DESICCANT CONTAINER,DEHUMIDIFIER
4440-01-218-0052INTERCHANGEABLE
DESICCANT CONTAINER,DEHUMIDIFIER
5998-01-464-8761INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
9664
2530-01-490-6992INTERCHANGEABLE
RIM,WHEEL,PNEUMATIC TIRE

Frequently Asked Questions

What is NSN 4440-01-218-0051?

NSN 4440-01-218-0051 is a Spring Disk Assembly, manufactured by Air Dry Co of America, Llc, classified under FSC 4440 (No Item Name Available). Status: active.

What are the part numbers for NSN 4440-01-218-0051?

NSN 4440-01-218-0051 has 3 cross-referenced part numbers: 9664 (Air Dry Co of America, Llc), 10278-11 (Air Dry Co of America, Llc), 10278-11 PIECE 20 (Air Dry Co of America, Llc).

What NSN replaces 4440-01-218-0051?

There are 10 known substitutes for 4440-01-218-0051: 5330-00-133-3111, 3460-00-181-7051, 5120-00-237-8172 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com