PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS90527-2X1Coupling,pipe

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-287-1828 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-287-1828 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-287-1828. Primary manufacturer part number: MS90527-2X1.
Features
  • Coupling,pipe — FSC 4730
  • Material: IRON OVERALL
  • Thread Series Designator: NPT FIRST END
  • Nominal Overall Length: 4.125 INCHES IN
  • Nominal Pipe Size Accommodated: 2.000 INCHES SECOND END IN
  • Nominal Pipe Size Accommodated: 2.000 INCHES FIRST END IN
  • Connection Style: REDUCED SOCKET (PIPE) SECOND END
  • Style Designator: PLAIN W/CONCAVE SIDES
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-287-1828, 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 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN4730-00-287-1828
Primary Part NumberMS90527-2X1
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
MaterialIRON OVERALL
Thread Series DesignatorNPT FIRST END
Nominal Overall Length4.125 INCHES IN
Nominal Pipe Size Accommodated2.000 INCHES SECOND END IN
Nominal Pipe Size Accommodated2.000 INCHES FIRST END IN
Connection StyleREDUCED SOCKET (PIPE) SECOND END
Style DesignatorPLAIN W/CONCAVE SIDES
Connection TypeUNTHREADED INTERNAL PIPE SECOND END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Nominal Thread Size2.000 INCHES FIRST END IN
Connection StylePLAIN (PIPE) FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-016-4519369-009 INTERCHANGEABLE
Meter,electrical Frequency
Jewell Instruments Llc
5975-00-064-86851379 INTERCHANGEABLE
Reducing Washer,knockout
Raco, a Division of Hubbell Incorporated(delaware)
5310-00-175-2786 INTERCHANGEABLE
Washer,flat
5920-00-199-9222351005 INTERCHANGEABLE
Fuseholder,block
Littelfuse, Inc.
9390-00-374-3486 INTERCHANGEABLE
Wick
5330-00-383-877912155 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5940-00-405-24531379 INTERCHANGEABLE
Terminal,lug
Thermo Electric Company Inc. Dba Thermo Electric Company
6685-00-725-50963732740AB42 INTERCHANGEABLE
Gage,pressure,dial Indicating
The Boeing Company
6760-01-026-83471379 INTERCHANGEABLE
Photo Holder
Leidos, Inc. Div Cyber and Information Solutions Services
6145-01-137-97405612 INTERCHANGEABLE
Cable,special Purpose,electrical
Mercury Wire Products, Inc. Dba Mercury Wire Products Inc
Cross-Reference Index
Part NumberManufacturer
MS90527-2X1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
1379 The Walworth Company (USA)
1379 2IN The Walworth Company (USA)
Related Parts
6625-00-016-4519INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
369-009
5975-00-064-8685INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
1379
5310-00-175-2786INTERCHANGEABLE
WASHER,FLAT
5920-00-199-9222INTERCHANGEABLE
FUSEHOLDER,BLOCK
351005
9390-00-374-3486INTERCHANGEABLE
WICK
5330-00-383-8779INTERCHANGEABLE
GASKET
12155
5940-00-405-2453INTERCHANGEABLE
TERMINAL,LUG
1379
6685-00-725-5096INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
3732740AB42
6760-01-026-8347INTERCHANGEABLE
PHOTO HOLDER
1379
6145-01-137-9740INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5612
5310-01-165-5578INTERCHANGEABLE
WASHER,LOCK
1379
5930-01-204-2852INTERCHANGEABLE
ARM,SWITCH ACTUATOR
9007FA-1

Frequently Asked Questions

What is NSN 4730-00-287-1828?

NSN 4730-00-287-1828 is a Coupling,pipe, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-287-1828?

NSN 4730-00-287-1828 has 3 cross-referenced part numbers: MS90527-2X1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 1379 (The Walworth Company), 1379 2IN (The Walworth Company).

What NSN replaces 4730-00-287-1828?

There are 12 known substitutes for 4730-00-287-1828: 6625-00-016-4519, 5975-00-064-8685, 5310-00-175-2786 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS90527-2X1?

Key specifications for MS90527-2X1: Material: IRON OVERALL; Thread Series Designator: NPT FIRST END; Nominal Overall Length: 4.125 INCHES IN; Nominal Pipe Size Accommodated: 2.000 INCHES SECOND END IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-287-1828 still in active supply?

NSN 4730-00-287-1828 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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