PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-21099Gasket

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5330-00-448-6694 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-448-6694 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-448-6694. Primary manufacturer part number: A-21099.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Outside Edge to Bolt Hole Center Distance Along Length: 0.438 INCHES NOMINAL IN
  • Outside Edge to Bolt Hole Center Distance Along Width: 0.438 INCHES NOMINAL IN
  • Aperture Diameter: 1.812 INCHES NOMINAL IN
  • Outside Corner Radius: 0.438 INCHES NOMINAL IN
  • Center to Center Distance Between Bolt Holes Along Width: 2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Hole Diameter: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Asbestos and Rubber Synthetic Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-448-6694, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5330-00-448-6694
Primary Part NumberA-21099
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Outside Edge to Bolt Hole Center Distance Along Length0.438 INCHES NOMINAL IN
Outside Edge to Bolt Hole Center Distance Along Width0.438 INCHES NOMINAL IN
Aperture Diameter1.812 INCHES NOMINAL IN
Outside Corner Radius0.438 INCHES NOMINAL IN
Center to Center Distance Between Bolt Holes Along Width2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Hole Diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Bolt Hole Quantity4
Center to Center Distance Between Bolt Holes Along Length2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MaterialASBESTOS AND RUBBER SYNTHETIC OVERALL
Style DesignatorNON-CIRCULAR
Material Document and ClassificationAMS 3232 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Thickness0.031 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-053519268 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5998-00-563-0612 INTERCHANGEABLE
Circuit Card Assembly
2835-00-654-681521099-1 INTERCHANGEABLE
Seal,fuel Can
Alamo Aircraft, Ltd.
5905-00-882-49362100-0068 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Keysight Technologies Inc
3020-01-108-279621099 INTERCHANGEABLE
Gear,spur
Paccar Winch Inc Dba Paccar Winch Division
4810-01-303-389221099 INTERCHANGEABLE
Sleeve and Slide,directional Con
Parker Hannifin Corporation Div Hydraulic Systems Division
5360-01-305-06582-1099 INTERCHANGEABLE
Spring,helical,compression
Malabar
5306-01-411-473721099 INTERCHANGEABLE
Bolt,eye
Science Applications International Corporation
Cross-Reference Index
Part NumberManufacturer
21099 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
21099 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
A-21099 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
3110-00-100-0535INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
19268
5998-00-563-0612INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2835-00-654-6815INTERCHANGEABLE
SEAL,FUEL CAN
21099-1
5905-00-882-4936INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
2100-0068
3020-01-108-2796INTERCHANGEABLE
GEAR,SPUR
21099
4810-01-303-3892INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21099
5360-01-305-0658INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2-1099
5306-01-411-4737INTERCHANGEABLE
BOLT,EYE
21099

Frequently Asked Questions

What is NSN 5330-00-448-6694?

NSN 5330-00-448-6694 is a Gasket, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-448-6694?

NSN 5330-00-448-6694 has 3 cross-referenced part numbers: 21099 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 21099 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), A-21099 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5330-00-448-6694?

There are 8 known substitutes for 5330-00-448-6694: 3110-00-100-0535, 5998-00-563-0612, 2835-00-654-6815 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-21099?

Key specifications for A-21099: Overall Width: 2.875 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Edge to Bolt Hole Center Distance Along Length: 0.438 INCHES NOMINAL IN; Outside Edge to Bolt Hole Center Distance Along Width: 0.438 INCHES NOMINAL IN. 15 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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