PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81145Gasket

Waterous Company · NSN 5330-01-126-3491 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-126-3491 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-126-3491. Primary manufacturer part number: 81145.
Features
  • Gasket — FSC 5330
  • Bolt Hole Quantity: 21
  • Cross-Sectional Thickness: 0.010 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Waterous Company
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket, cataloged under National Stock Number 5330-01-126-3491, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Waterous Company. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5330-01-126-3491
Primary Part Number81145
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerWaterous Company
StatusACTIVE
Bolt Hole Quantity21
Cross-Sectional Thickness0.010 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-264-35038247-90-10 INTERCHANGEABLE
Nut,plain,hexagon
Chief of Engineers Dept of Army
5210-00-442-485381-145 INTERCHANGEABLE
Indicator,dial
L.s. Starrett Company (the) Div Tool Division
5985-01-167-6195E507 INTERCHANGEABLE
Coupler,transmission Line
Microwave Engineering Corporation
4810-01-237-22703715-5 INTERCHANGEABLE
Actuator,electromechanical,rotar
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
5110-01-240-046681-1-45 INTERCHANGEABLE
Extractor,lead Wire
Gordon Kleinpeter Dba Gemtec Tool Company
4810-01-339-832281145-8 INTERCHANGEABLE
Valve,servo
Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc
Cross-Reference Index
Part NumberManufacturer
81145 PRIMARY Waterous Company (USA)
Related Parts
5310-00-264-3503INTERCHANGEABLE
NUT,PLAIN,HEXAGON
8247-90-10
5210-00-442-4853INTERCHANGEABLE
INDICATOR,DIAL
81-145
5985-01-167-6195INTERCHANGEABLE
COUPLER,TRANSMISSION LINE
E507
4810-01-237-2270INTERCHANGEABLE
ACTUATOR,ELECTROMECHANICAL,ROTAR
3715-5
5110-01-240-0466INTERCHANGEABLE
EXTRACTOR,LEAD WIRE
81-1-45
4810-01-339-8322INTERCHANGEABLE
VALVE,SERVO
81145-8

Frequently Asked Questions

What is NSN 5330-01-126-3491?

NSN 5330-01-126-3491 is a Gasket, manufactured by Waterous Company, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-126-3491?

NSN 5330-01-126-3491 has 1 cross-referenced part number: 81145 (Waterous Company).

What NSN replaces 5330-01-126-3491?

There are 6 known substitutes for 5330-01-126-3491: 5310-00-264-3503, 5210-00-442-4853, 5985-01-167-6195 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81145?

Key specifications for 81145: Bolt Hole Quantity: 21; Overall Width: 21.500 INCHES NOMINAL IN; Cross-Sectional Thickness: 0.010 INCHES NOMINAL IN; Overall Length: 24.375 INCHES NOMINAL IN. 4 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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