PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P542-5-29Cup,grease

Sterling Engine Co Inc · NSN 4730-00-223-6398 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-223-6398 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-223-6398. Primary manufacturer part number: P542-5-29.
Features
  • Cup,grease — FSC 4730
  • Grease Capacity: 0.500 OUNCES OZ
  • Screw Thread Series Designator: NPT
  • Assembly Clearance Radius: 0.547 INCHES NOMINAL IN
  • Nominal Thread Size: 0.125 INCHES IN
  • Height: 2.062 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 27
  • Material: COPPER ALLOY OVERALL
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cup,grease, cataloged under National Stock Number 4730-00-223-6398, 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 Sterling Engine Co Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-223-6398
Primary Part NumberP542-5-29
Item NameCup,grease
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSterling Engine Co Inc
StatusCANCELLED
Grease Capacity0.500 OUNCES OZ
Screw Thread Series DesignatorNPT
Assembly Clearance Radius0.547 INCHES NOMINAL IN
Nominal Thread Size0.125 INCHES IN
Height2.062 INCHES NOMINAL IN
Thread Quantity Per Inch27
MaterialCOPPER ALLOY OVERALL
Style DesignatorSTRAIGHT, CAP FEED, W/BALL CHECK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5305-00-297-7640 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
P542-5-29 PRIMARY Sterling Engine Co Inc (USA)
CA6447PC43 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
STYLE207SIZE00 Bowen Products Corp (USA)
B1859 Dresser, Llc (USA)
IX359 Lear Siegler Inc Sherwood Div (USA)
CA6444PC43 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
208B00 Bowen Products Corp (USA)
Related Parts
5305-00-297-7640INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 4730-00-223-6398?

NSN 4730-00-223-6398 is a Cup,grease, manufactured by Sterling Engine Co Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-223-6398?

NSN 4730-00-223-6398 has 7 cross-referenced part numbers: P542-5-29 (Sterling Engine Co Inc), CA6447PC43 (Air & Liquid Systems Corporation Dba Buffalo Pumps), STYLE207SIZE00 (Bowen Products Corp), B1859 (Dresser, Llc), IX359 (Lear Siegler Inc Sherwood Div) and 2 more.

What NSN replaces 4730-00-223-6398?

There is 1 known substitute for 4730-00-223-6398: 5305-00-297-7640. Verify interchangeability with system specifications before substitution.

What are the specifications of P542-5-29?

Key specifications for P542-5-29: Grease Capacity: 0.500 OUNCES OZ; Screw Thread Series Designator: NPT; Assembly Clearance Radius: 0.547 INCHES NOMINAL IN; Nominal Thread Size: 0.125 INCHES IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-223-6398 still in active supply?

NSN 4730-00-223-6398 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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