PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1831Fitting,lubrication

Stewart-Warner Corporation · NSN 4730-00-188-6314 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-188-6314 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-188-6314. Primary manufacturer part number: 1831.
Features
  • Fitting,lubrication — FSC 4730
  • Height: 1.156 INCHES NOMINAL IN
  • Width Across Flats: 0.875 INCHES NOMINAL IN
  • Screw Thread Series Designator: NPTF
  • Nominal Thread Size: 0.125 INCHES IN
  • Thread Quantity Per Inch: 27
  • Style Designator: STRAIGHT
  • Surface Treatment: CADMIUM AND ZINC OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Fitting,lubrication, cataloged under National Stock Number 4730-00-188-6314, 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 Stewart-Warner Corporation. Government technical data includes 9 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: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-188-6314
Primary Part Number1831
Item NameFitting,lubrication
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerStewart-Warner Corporation
StatusCANCELLED
Height1.156 INCHES NOMINAL IN
Width Across Flats0.875 INCHES NOMINAL IN
Screw Thread Series DesignatorNPTF
Nominal Thread Size0.125 INCHES IN
Thread Quantity Per Inch27
Style DesignatorSTRAIGHT
Surface TreatmentCADMIUM AND ZINC OVERALL
MaterialSTEEL OVERALL
Shank Length0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2995-00-136-24205775 INTERCHANGEABLE
Housing Assy,hydrau
Eaton Aerospace, Llc Dba Jackson South
3120-00-186-9483 INTERCHANGEABLE
Bushing,sleeve
2520-00-224-746307817484 INTERCHANGEABLE
Cover Assembly,hous
General Motors Llc Dba General Motors Llc
4820-00-311-527005-0775 INTERCHANGEABLE
Seat,valve
Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products
3120-00-338-48455775 INTERCHANGEABLE
Bearing
Harbormaster Marine, Inc
3120-00-349-9939 INTERCHANGEABLE
Bearing,washer,thrust
4940-00-391-4606 INTERCHANGEABLE
Countershaft
5950-00-510-52625775 INTERCHANGEABLE
Transformer,power
Cae Usa Inc.
2805-00-532-00615775 INTERCHANGEABLE
Flywheel,engine
R.h. Industries, Inc.
5950-00-538-5665 INTERCHANGEABLE
Transformer,audio Frequency
Cross-Reference Index
Part NumberManufacturer
100-855 Graco Inc. (USA)
1831 Stewart-Warner Alemite Corp (USA)
5775 Mcneil Ohio Corp (USA)
1831 PRIMARY Stewart-Warner Corporation (USA)
30772 Wheelabrator-Frye Inc Balcrank Products (USA)
Related Parts
2995-00-136-2420INTERCHANGEABLE
HOUSING ASSY,HYDRAU
5775
3120-00-186-9483INTERCHANGEABLE
BUSHING,SLEEVE
2520-00-224-7463INTERCHANGEABLE
COVER ASSEMBLY,HOUS
07817484
4820-00-311-5270INTERCHANGEABLE
SEAT,VALVE
05-0775
3120-00-338-4845INTERCHANGEABLE
BEARING
5775
3120-00-349-9939INTERCHANGEABLE
BEARING,WASHER,THRUST
4940-00-391-4606INTERCHANGEABLE
COUNTERSHAFT
5950-00-510-5262INTERCHANGEABLE
TRANSFORMER,POWER
5775
2805-00-532-0061INTERCHANGEABLE
FLYWHEEL,ENGINE
5775
5950-00-538-5665INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
1560-00-564-6068INTERCHANGEABLE
FITTING,STRUCTURAL COMPONENT,AIR
100855
5330-00-599-2998INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 4730-00-188-6314?

NSN 4730-00-188-6314 is a Fitting,lubrication, manufactured by Stewart-Warner Corporation, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-188-6314?

NSN 4730-00-188-6314 has 5 cross-referenced part numbers: 100-855 (Graco Inc.), 1831 (Stewart-Warner Alemite Corp), 5775 (Mcneil Ohio Corp), 1831 (Stewart-Warner Corporation), 30772 (Wheelabrator-Frye Inc Balcrank Products).

What NSN replaces 4730-00-188-6314?

There are 12 known substitutes for 4730-00-188-6314: 2995-00-136-2420, 3120-00-186-9483, 2520-00-224-7463 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1831?

Key specifications for 1831: Height: 1.156 INCHES NOMINAL IN; Width Across Flats: 0.875 INCHES NOMINAL IN; Screw Thread Series Designator: NPTF; Nominal Thread Size: 0.125 INCHES IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-188-6314 still in active supply?

NSN 4730-00-188-6314 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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