PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

421091Gasket

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5330-00-291-4729 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-291-4729 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-291-4729. Primary manufacturer part number: 421091.
Features
  • Gasket — FSC 5330
  • Aperture Diameter: 1.000 INCHES NOMINAL IN
  • Bolt Circle Diameter: 1.188 INCHES NOMINAL IN
  • Hole Diameter: 0.096 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Cross-Sectional Thickness: 0.005 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN
  • Bolt Hole Quantity: 4
  • Material Document and Classification: UU-P-226,TY 2,CL A-2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: CIRCULAR
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Paper Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-291-4729, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 10 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-291-4729
Primary Part Number421091
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Aperture Diameter1.000 INCHES NOMINAL IN
Bolt Circle Diameter1.188 INCHES NOMINAL IN
Hole Diameter0.096 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Cross-Sectional Thickness0.005 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN
Bolt Hole Quantity4
Material Document and ClassificationUU-P-226,TY 2,CL A-2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorCIRCULAR
MaterialPAPER OVERALL
Outside Diameter1.375 INCHES NOMINAL IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1630-00-071-929942-109-1 INTERCHANGEABLE
Control Unit,antiskid
Hydro-Aire Aerospace Corp
5950-00-967-440842-1091 INTERCHANGEABLE
Transformer,power
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
5930-00-969-268386-2369 INTERCHANGEABLE
Switch,push
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
2995-01-089-0424421091 INTERCHANGEABLE
Sleeve and Orifice
Eaton Aerospace, Llc Dba Jackson South
6515-01-504-4406421.091 INTERCHANGEABLE
Plate,skull,surgical
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
421091 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
1630-00-071-9299INTERCHANGEABLE
CONTROL UNIT,ANTISKID
42-109-1
5950-00-967-4408INTERCHANGEABLE
TRANSFORMER,POWER
42-1091
5930-00-969-2683INTERCHANGEABLE
SWITCH,PUSH
86-2369
2995-01-089-0424INTERCHANGEABLE
SLEEVE AND ORIFICE
421091
6515-01-504-4406INTERCHANGEABLE
PLATE,SKULL,SURGICAL
421.091

Frequently Asked Questions

What is NSN 5330-00-291-4729?

NSN 5330-00-291-4729 is a Gasket, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-291-4729?

NSN 5330-00-291-4729 has 1 cross-referenced part number: 421091 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5330-00-291-4729?

There are 5 known substitutes for 5330-00-291-4729: 1630-00-071-9299, 5950-00-967-4408, 5930-00-969-2683 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 421091?

Key specifications for 421091: Aperture Diameter: 1.000 INCHES NOMINAL IN; Bolt Circle Diameter: 1.188 INCHES NOMINAL IN; Hole Diameter: 0.096 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Special Features: 1 ALINEMENT HOLE ON SAME BOLT CIRCLE 45 DEG BETWEEN ANY TWO BOLT HOLES. 11 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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