PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H260K204Gasket

Sealcraft Corporation · NSN 5330-00-091-9078 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-091-9078 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-091-9078. Primary manufacturer part number: H260K204.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Style Designator: CIRCULAR
  • Outside Diameter: 5.125 INCHES NOMINAL IN
  • Material Document and Classification: MIL-G-12803 NO. +3444-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Aperture Diameter: 3.875 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
  • Material: PAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Paper and Rubber Butadiene-Acrylonitrile Class Nbr Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-091-9078, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sealcraft Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-091-9078
Primary Part NumberH260K204
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSealcraft Corporation
StatusCANCELLED
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Style DesignatorCIRCULAR
Outside Diameter5.125 INCHES NOMINAL IN
Material Document and ClassificationMIL-G-12803 NO. +3444-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Aperture Diameter3.875 INCHES NOMINAL IN
Cross-Sectional Thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
MaterialPAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Bolt Circle Diameter4.500 INCHES NOMINAL IN
Hole Diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Bolt Hole Quantity6
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-024-6675L3006-33 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div Cylinder Division
2915-00-051-7465 INTERCHANGEABLE
Chamber Swirl
5977-00-067-972316379 INTERCHANGEABLE
Brush,electrical Contact
Moog Inc.
5995-00-177-289710432 INTERCHANGEABLE
Kit,cord Assembly
Astrocom Electronics Inc
6130-00-226-9403105-3-2 INTERCHANGEABLE
Rectifier,metallic
Ward Leonard Ct Llc
5310-00-261-733992769 INTERCHANGEABLE
Washer,lock
Briggs and Stratton Corp
3020-00-430-948318443 INTERCHANGEABLE
Gear,spur
Komatsu America Corporation
2835-00-654-679818443 INTERCHANGEABLE
Duct Assembly,cabin Air Mixing
Alamo Aircraft, Ltd.
5310-00-677-999710432 INTERCHANGEABLE
Nut,relief Valve in
Pneudraulics, Inc.
2520-00-769-760616379 INTERCHANGEABLE
Cap Case Bearing
Dana Corp Spicer Transmission Div
Cross-Reference Index
Part NumberManufacturer
H260K204 PRIMARY Sealcraft Corporation (USA)
18443 PRIMARY Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
16379 Mahle Aftermarket Inc. Dba Ae Clevite Inc (USA)
10432 Fitzgerald Gasket a Co of Tannetics Inc (USA)
Related Parts
5331-00-024-6675INTERCHANGEABLE
O-RING
L3006-33
2915-00-051-7465INTERCHANGEABLE
CHAMBER SWIRL
5977-00-067-9723INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
16379
5995-00-177-2897INTERCHANGEABLE
KIT,CORD ASSEMBLY
10432
6130-00-226-9403INTERCHANGEABLE
RECTIFIER,METALLIC
105-3-2
5310-00-261-7339INTERCHANGEABLE
WASHER,LOCK
92769
3020-00-430-9483INTERCHANGEABLE
GEAR,SPUR
18443
2835-00-654-6798INTERCHANGEABLE
DUCT ASSEMBLY,CABIN AIR MIXING
18443
5310-00-677-9997INTERCHANGEABLE
NUT,RELIEF VALVE IN
10432
2520-00-769-7606INTERCHANGEABLE
CAP CASE BEARING
16379
9905-00-774-4284INTERCHANGEABLE
PLATE,INSTRUCTION
201499
3030-00-844-3507INTERCHANGEABLE
BELTS,V,MATCHED SET
17375-2

Frequently Asked Questions

What is NSN 5330-00-091-9078?

NSN 5330-00-091-9078 is a Gasket, manufactured by Sealcraft Corporation, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-091-9078?

NSN 5330-00-091-9078 has 4 cross-referenced part numbers: H260K204 (Sealcraft Corporation), 18443 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 16379 (Mahle Aftermarket Inc. Dba Ae Clevite Inc), 10432 (Fitzgerald Gasket a Co of Tannetics Inc).

What NSN replaces 5330-00-091-9078?

There are 12 known substitutes for 5330-00-091-9078: 5331-00-024-6675, 2915-00-051-7465, 5977-00-067-9723 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H260K204?

Key specifications for H260K204: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Style Designator: CIRCULAR; Outside Diameter: 5.125 INCHES NOMINAL IN; Material Document and Classification: MIL-G-12803 NO. +3444-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-091-9078 still in active supply?

NSN 5330-00-091-9078 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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