PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6433091-04Gasket

Duff-Norton Co Inc · NSN 5330-01-040-3277 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-040-3277 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-040-3277. Primary manufacturer part number: 6433091-04.
Features
  • Gasket — FSC 5330
  • Supplementary Features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
  • 2 verified cross-references
  • Primary manufacturer: Duff-Norton Co Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket, cataloged under National Stock Number 5330-01-040-3277, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Duff-Norton Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-040-3277
Primary Part Number6433091-04
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerDuff-Norton Co Inc
StatusACTIVE
Supplementary FeaturesCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-00-334-385742934 INTERCHANGEABLE
Seat,valve
Spirax Sarco Inc Dba Spirax Sarco
9540-01-086-0581K50A23T3511 INTERCHANGEABLE
Beam,structural
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
Cross-Reference Index
Part NumberManufacturer
6433091-04 Duff-Norton Co Inc (USA)
42934 Aero-Motive Company (USA)
Related Parts
4820-00-334-3857INTERCHANGEABLE
SEAT,VALVE
42934
9540-01-086-0581INTERCHANGEABLE
BEAM,STRUCTURAL
K50A23T3511

Frequently Asked Questions

What is NSN 5330-01-040-3277?

NSN 5330-01-040-3277 is a Gasket, manufactured by Duff-Norton Co Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-040-3277?

NSN 5330-01-040-3277 has 2 cross-referenced part numbers: 6433091-04 (Duff-Norton Co Inc), 42934 (Aero-Motive Company).

What NSN replaces 5330-01-040-3277?

There are 2 known substitutes for 5330-01-040-3277: 4820-00-334-3857, 9540-01-086-0581. Verify interchangeability with system specifications before substitution.

What are the specifications of 6433091-04?

Key specifications for 6433091-04: Special Features: STYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200; Supplementary Features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200. 2 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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