PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

303445Gasket

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5330-00-291-2729 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-291-2729 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-291-2729. Primary manufacturer part number: 303445.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • FSC Application Data: COMPUTERS RANGE,AIRCRAFT GUNNERY FIRE CONTROL
  • Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL OVERALL
  • Departure From Cited Document: AS MODIFIED BY PAC MATL
  • Material Document and Classification: MIL-STD-417 TYPE S,CLASS SC,GRADE 614-4ABEF MIL STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: RUBBER SYNTHETIC OVERALL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-291-2729, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 7 verified specifications, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-291-2729
Primary Part Number303445
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Cross-Sectional Thickness0.031 INCHES NOMINAL IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
FSC Application DataCOMPUTERS RANGE,AIRCRAFT GUNNERY FIRE CONTROL
Hardness Rating60.0 SHORE DUROMETER A NOMINAL OVERALL
Departure From Cited DocumentAS MODIFIED BY PAC MATL
Material Document and ClassificationMIL-STD-417 TYPE S,CLASS SC,GRADE 614-4ABEF MIL STD SINGLE MATERIAL RESPONSE OVERALL
MaterialRUBBER SYNTHETIC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2530-01-161-1286700-17-25 INTERCHANGEABLE
Hose Tenna Assembly,air Brake
Trailmobile Inc Sub of the Pullman Co
Cross-Reference Index
Part NumberManufacturer
MIL-R-3065 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
303445 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
2530-01-161-1286INTERCHANGEABLE
HOSE TENNA ASSEMBLY,AIR BRAKE
700-17-25

Frequently Asked Questions

What is NSN 5330-00-291-2729?

NSN 5330-00-291-2729 is a Gasket, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-291-2729?

NSN 5330-00-291-2729 has 2 cross-referenced part numbers: MIL-R-3065 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 303445 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5330-00-291-2729?

There is 1 known substitute for 5330-00-291-2729: 2530-01-161-1286. Verify interchangeability with system specifications before substitution.

What are the specifications of 303445?

Key specifications for 303445: Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; FSC Application Data: COMPUTERS RANGE,AIRCRAFT GUNNERY FIRE CONTROL; Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL OVERALL. 7 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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