PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

290-1Cup,grease

Bowen Products Corp · NSN 4730-00-203-6315 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-203-6315 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-203-6315. Primary manufacturer part number: 290-1.
Features
  • Cup,grease — FSC 4730
  • Screw Thread Series Designator: NPT
  • Height: 2.031 INCHES NOMINAL IN
  • Assembly Clearance Radius: 0.875 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 18
  • Grease Capacity: 1.000 OUNCES OZ
  • Nominal Thread Size: 0.250 INCHES IN
  • Material: COPPER ALLOY OVERALL
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cup,grease, cataloged under National Stock Number 4730-00-203-6315, 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 Bowen Products Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4730-00-203-6315
Primary Part Number290-1
Item NameCup,grease
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBowen Products Corp
StatusACTIVE
Screw Thread Series DesignatorNPT
Height2.031 INCHES NOMINAL IN
Assembly Clearance Radius0.875 INCHES NOMINAL IN
Thread Quantity Per Inch18
Grease Capacity1.000 OUNCES OZ
Nominal Thread Size0.250 INCHES IN
MaterialCOPPER ALLOY OVERALL
Style DesignatorSTRAIGHT, CAP FEED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6740-00-075-1009290-3 INTERCHANGEABLE
Easel,projection Printing
Pakon Inc Dba Impak Division
3110-00-156-1851 INTERCHANGEABLE
Bearing,ball,thrust
5975-00-194-886224151-3-4 INTERCHANGEABLE
Junction Box
Abb Installation Products Inc
5975-00-234-41422901 INTERCHANGEABLE
Cabinet,electrical Equipment
Fluke Electronics Corp
4710-00-388-76052901 INTERCHANGEABLE
Tube,bent,metallic
Champion Aerospace Llc
6625-00-483-2619PDSANE-6625-22 INTERCHANGEABLE
Generator,electronic Marker
Warner Robins Air Logistics Center
5325-00-543-394215814P1 INTERCHANGEABLE
Grommet,nonmetallic
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5325-00-810-57172901 INTERCHANGEABLE
Grommet,nonmetallic
Atlantic India Rubber Co Inc
5325-00-928-5929BL3644-7 INTERCHANGEABLE
Grommet,nonmetallic
Breeze-Eastern Llc
4820-00-980-4936 INTERCHANGEABLE
Valve,safety Relief
Cross-Reference Index
Part NumberManufacturer
290-1 Bowen Products Corp (USA)
200-1 Bowen Products Corp (USA)
Related Parts
6740-00-075-1009INTERCHANGEABLE
EASEL,PROJECTION PRINTING
290-3
3110-00-156-1851INTERCHANGEABLE
BEARING,BALL,THRUST
5975-00-194-8862INTERCHANGEABLE
JUNCTION BOX
24151-3-4
5975-00-234-4142INTERCHANGEABLE
CABINET,ELECTRICAL EQUIPMENT
2901
4710-00-388-7605INTERCHANGEABLE
TUBE,BENT,METALLIC
2901
6625-00-483-2619INTERCHANGEABLE
GENERATOR,ELECTRONIC MARKER
PDSANE-6625-22
5325-00-543-3942INTERCHANGEABLE
GROMMET,NONMETALLIC
15814P1
5325-00-810-5717INTERCHANGEABLE
GROMMET,NONMETALLIC
2901
5325-00-928-5929INTERCHANGEABLE
GROMMET,NONMETALLIC
BL3644-7
4820-00-980-4936INTERCHANGEABLE
VALVE,SAFETY RELIEF
5985-01-052-0783INTERCHANGEABLE
ATTENUATOR,FIXED
18A-1DB
5835-01-099-4573INTERCHANGEABLE
HEAD,MAGNETIC
2901

Frequently Asked Questions

What is NSN 4730-00-203-6315?

NSN 4730-00-203-6315 is a Cup,grease, manufactured by Bowen Products Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-203-6315?

NSN 4730-00-203-6315 has 2 cross-referenced part numbers: 290-1 (Bowen Products Corp), 200-1 (Bowen Products Corp).

What NSN replaces 4730-00-203-6315?

There are 12 known substitutes for 4730-00-203-6315: 6740-00-075-1009, 3110-00-156-1851, 5975-00-194-8862 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 290-1?

Key specifications for 290-1: Screw Thread Series Designator: NPT; Height: 2.031 INCHES NOMINAL IN; Assembly Clearance Radius: 0.875 INCHES NOMINAL IN; Thread Quantity Per Inch: 18. 8 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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