PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

394434Gasket

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5330-00-056-5645 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-056-5645 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-056-5645. Primary manufacturer part number: 394434.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Material Document and Classification: AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY 110 OVERALL
  • Surface Treatment: CADMIUM OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR METAL
  • 1 verified cross-reference
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Copper Alloy 110 Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-056-5645, 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 6 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-056-5645
Primary Part Number394434
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Cross-Sectional Thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationAMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY 110 OVERALL
Surface TreatmentCADMIUM OVERALL
Cross-Sectional Shape StyleRECTANGULAR METAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2805-00-517-9926394434 INTERCHANGEABLE
Valve,poppet,engine
Briggs and Stratton Corp
Cross-Reference Index
Part NumberManufacturer
394434 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
2805-00-517-9926INTERCHANGEABLE
VALVE,POPPET,ENGINE
394434

Frequently Asked Questions

What is NSN 5330-00-056-5645?

NSN 5330-00-056-5645 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 5330-00-056-5645?

NSN 5330-00-056-5645 has 1 cross-referenced part number: 394434 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5330-00-056-5645?

There is 1 known substitute for 5330-00-056-5645: 2805-00-517-9926. Verify interchangeability with system specifications before substitution.

What are the specifications of 394434?

Key specifications for 394434: Cross-Sectional Thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY 110 OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com