PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M336Fitting,lubrication

Mac Gregor Usa Inc · NSN 4730-01-075-3944 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-075-3944 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-075-3944. Primary manufacturer part number: M336.
Features
  • Fitting,lubrication — FSC 4730
  • Screw Thread Series Designator: NPT
  • Nominal Thread Size: 0.125 INCHES IN
  • Width Across Flats: 0.437 INCHES NOMINAL IN
  • Height: 0.969 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
  • Style Designator: STRAIGHT
  • Reference Number Differentiating Characteristics: FREE OF MERCURY CONTAMINATION
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Fitting,lubrication, cataloged under National Stock Number 4730-01-075-3944, 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 Mac Gregor Usa Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-075-3944
Primary Part NumberM336
Item NameFitting,lubrication
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMac Gregor Usa Inc
StatusACTIVE
Screw Thread Series DesignatorNPT
Nominal Thread Size0.125 INCHES IN
Width Across Flats0.437 INCHES NOMINAL IN
Height0.969 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Style DesignatorSTRAIGHT
Reference Number Differentiating CharacteristicsFREE OF MERCURY CONTAMINATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-242-2925 INTERCHANGEABLE
Fitting,lubrication
4730-01-226-0206 INTERCHANGEABLE
Fitting,lubrication
6670-01-322-7217XP6 INTERCHANGEABLE
Balance,analytical
Mettler-Toledo Llc
Cross-Reference Index
Part NumberManufacturer
M336 Mac Gregor Usa Inc (USA)
M336 Stewart-Warner Alemite Corp (USA)
820-4384241 Naval Sea Systems Command (USA)
820-5348612-30 Naval Sea Systems Command (USA)
820-5348568-31 Naval Sea Systems Command (USA)
Related Parts
4730-00-242-2925INTERCHANGEABLE
FITTING,LUBRICATION
4730-01-226-0206INTERCHANGEABLE
FITTING,LUBRICATION
6670-01-322-7217INTERCHANGEABLE
BALANCE,ANALYTICAL
XP6

Frequently Asked Questions

What is NSN 4730-01-075-3944?

NSN 4730-01-075-3944 is a Fitting,lubrication, manufactured by Mac Gregor Usa Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-075-3944?

NSN 4730-01-075-3944 has 5 cross-referenced part numbers: M336 (Mac Gregor Usa Inc), M336 (Stewart-Warner Alemite Corp), 820-4384241 (Naval Sea Systems Command), 820-5348612-30 (Naval Sea Systems Command), 820-5348568-31 (Naval Sea Systems Command).

What NSN replaces 4730-01-075-3944?

There are 3 known substitutes for 4730-01-075-3944: 4730-00-242-2925, 4730-01-226-0206, 6670-01-322-7217. Verify interchangeability with system specifications before substitution.

What are the specifications of M336?

Key specifications for M336: Screw Thread Series Designator: NPT; Nominal Thread Size: 0.125 INCHES IN; Width Across Flats: 0.437 INCHES NOMINAL IN; Height: 0.969 INCHES NOMINAL IN. 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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