PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

356W525Seal,plain Encased

Cone Drive Operations Inc · NSN 5330-00-140-2168 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-140-2168 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-140-2168. Primary manufacturer part number: 356W525.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 5.256 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Material: STEEL CASE
  • Sealing Element Style: ANGULAR
  • Temp Rating: -50.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-140-2168, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cone Drive Operations Inc. Government technical data includes 9 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-140-2168
Primary Part Number356W525
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCone Drive Operations Inc
StatusACTIVE
Housing Bore Diameter5.256 INCHES NOMINAL IN
Case StyleSQUARE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
MaterialSTEEL CASE
Sealing Element StyleANGULAR
Temp Rating-50.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Seal Width0.468 INCHES NOMINAL IN
Accommodated Shaft Diameter3.687 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6115-00-295-00555532 INTERCHANGEABLE
Armature,generator
Elf Atochem North America Inc
5945-00-318-305010220 INTERCHANGEABLE
Device,overload Protective
Creating Technology Solutions, Llc Dba Technology Research Corp Div Technology Research Corp
1620-00-491-08775532 INTERCHANGEABLE
Striker,micro Switch
Goodrich Aerospace Canada Ltd
5310-00-849-198411153883 INTERCHANGEABLE
Washer,split
Us Army Aviation and Missile Command
5935-00-870-363048850 INTERCHANGEABLE
Connector,plug,electrical
L3harris Technologies, Inc Div Space & Airborne Systems
6515-01-154-56155532 INTERCHANGEABLE
Thermometer,clinical,human
Pymah Corp
8105-01-175-55325532 INTERCHANGEABLE
Bag,plastic
Star Poly Bag, Inc.
5330-01-194-9021102-7292 INTERCHANGEABLE
Packing with Retainer
Perfection Clutch
5975-01-280-33135532 INTERCHANGEABLE
Box Connector,electrical
Woodhead, Lp Dba Woodhead Div Integrated Products Group
6150-01-316-2268 INTERCHANGEABLE
Bus,conductor
Cross-Reference Index
Part NumberManufacturer
5532 Federal-Mogul Corp Government Sales Dept (USA)
356W525 PRIMARY Cone Drive Operations Inc (USA)
Related Parts
6115-00-295-0055INTERCHANGEABLE
ARMATURE,GENERATOR
5532
5945-00-318-3050INTERCHANGEABLE
DEVICE,OVERLOAD PROTECTIVE
10220
1620-00-491-0877INTERCHANGEABLE
STRIKER,MICRO SWITCH
5532
5310-00-849-1984INTERCHANGEABLE
WASHER,SPLIT
11153883
5935-00-870-3630INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
48850
6515-01-154-5615INTERCHANGEABLE
THERMOMETER,CLINICAL,HUMAN
5532
8105-01-175-5532INTERCHANGEABLE
BAG,PLASTIC
5532
5330-01-194-9021INTERCHANGEABLE
PACKING WITH RETAINER
102-7292
5975-01-280-3313INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5532
6150-01-316-2268INTERCHANGEABLE
BUS,CONDUCTOR
5120-01-399-9687INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6515-01-607-7122INTERCHANGEABLE
THERMOMETER,CLINICAL,HUMAN
5532

Frequently Asked Questions

What is NSN 5330-00-140-2168?

NSN 5330-00-140-2168 is a Seal,plain Encased, manufactured by Cone Drive Operations Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-140-2168?

NSN 5330-00-140-2168 has 2 cross-referenced part numbers: 5532 (Federal-Mogul Corp Government Sales Dept), 356W525 (Cone Drive Operations Inc).

What NSN replaces 5330-00-140-2168?

There are 12 known substitutes for 5330-00-140-2168: 6115-00-295-0055, 5945-00-318-3050, 1620-00-491-0877 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 356W525?

Key specifications for 356W525: Housing Bore Diameter: 5.256 INCHES NOMINAL IN; Case Style: SQUARE; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Material: STEEL CASE. 9 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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