PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

273949PC11Cup,oil,lubricating

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 4730-00-289-9303 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-289-9303 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-289-9303. Primary manufacturer part number: 273949PC11.
Features
  • Cup,oil,lubricating — FSC 4730
  • Thread Class: 4A A
  • Height: 0.594 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
  • Nominal Thread Size: 0.250 INCHES IN
  • Angle: 90.0 DEGREES
  • Thread Quantity Per Inch: 20
  • Assembly Clearance Radius: 0.531 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cup,oil,lubricating, cataloged under National Stock Number 4730-00-289-9303, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-289-9303
Primary Part Number273949PC11
Item NameCup,oil,lubricating
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Thread Class4A A
Height0.594 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Nominal Thread Size0.250 INCHES IN
Angle90.0 DEGREES
Thread Quantity Per Inch20
Assembly Clearance Radius0.531 INCHES NOMINAL IN
Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nondefinitive Spec/std DataH TYPE
Departure From Cited DocumentASNMODIFIED BY SURFACE TREATMENT AND THREAD SIZE,SERIES AND CLASS OF FIT
Surface TreatmentNICKEL OVERALL
Style DesignatorANGLE, HINGED CAP
Shank Length0.312 INCHES NOMINAL IN
Length0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-174-6835 INTERCHANGEABLE
Cup,oil,lubricating
4930-00-242-2954 INTERCHANGEABLE
Oiler,self-Feeding
4930-00-242-2955 INTERCHANGEABLE
Oiler,self-Feeding
4930-00-242-2956 INTERCHANGEABLE
Oiler,self-Feeding
4930-00-242-2957 INTERCHANGEABLE
Oiler,self-Feeding
4930-00-242-2958 INTERCHANGEABLE
Oiler,self-Feeding
4930-00-242-2963 INTERCHANGEABLE
Oiler,self-Feeding
4730-00-247-7115 INTERCHANGEABLE
Cup,oil,lubricating
4730-00-247-7117 INTERCHANGEABLE
Cup,oil,lubricating
4730-00-256-980401202-0324-1 INTERCHANGEABLE
Cup,oil,lubricating
Gits Mfg Co Inc
Cross-Reference Index
Part NumberManufacturer
1202-0324-1 Gits Mfg Co Inc (USA)
MILC1258 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
273949PC11 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1202-0324-1 Apache Corp Gits Bros Mfg Co (USA)
372-5311-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
4730-00-174-6835INTERCHANGEABLE
CUP,OIL,LUBRICATING
4930-00-242-2954INTERCHANGEABLE
OILER,SELF-FEEDING
4930-00-242-2955INTERCHANGEABLE
OILER,SELF-FEEDING
4930-00-242-2956INTERCHANGEABLE
OILER,SELF-FEEDING
4930-00-242-2957INTERCHANGEABLE
OILER,SELF-FEEDING
4930-00-242-2958INTERCHANGEABLE
OILER,SELF-FEEDING
4930-00-242-2963INTERCHANGEABLE
OILER,SELF-FEEDING
4730-00-247-7115INTERCHANGEABLE
CUP,OIL,LUBRICATING
4730-00-247-7117INTERCHANGEABLE
CUP,OIL,LUBRICATING
4730-00-256-9804INTERCHANGEABLE
CUP,OIL,LUBRICATING
01202-0324-1
4730-00-277-7003INTERCHANGEABLE
CUP,OIL,LUBRICATING
4730-00-278-5738INTERCHANGEABLE
CUP,OIL,LUBRICATING

Frequently Asked Questions

What is NSN 4730-00-289-9303?

NSN 4730-00-289-9303 is a Cup,oil,lubricating, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-289-9303?

NSN 4730-00-289-9303 has 5 cross-referenced part numbers: 1202-0324-1 (Gits Mfg Co Inc), MILC1258 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 273949PC11 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1202-0324-1 (Apache Corp Gits Bros Mfg Co), 372-5311-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 4730-00-289-9303?

There are 12 known substitutes for 4730-00-289-9303: 4730-00-174-6835, 4930-00-242-2954, 4930-00-242-2955 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 273949PC11?

Key specifications for 273949PC11: Thread Class: 4A A; Height: 0.594 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL; Nominal Thread Size: 0.250 INCHES IN. 14 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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