PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

838-251Reducer,pipe

Lasco Industries · NSN 4730-00-243-7441 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-243-7441 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-243-7441. Primary manufacturer part number: 838-251.
Features
  • Reducer,pipe — FSC 4730
  • 9 verified cross-references
  • Primary manufacturer: Lasco Industries
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-00-243-7441, 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 Lasco Industries. This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameReducer,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersLasco Industries (CAGE 96405); Nibco Inc Chemtrol Div (CAGE 61623); Eslon Thermoplastics Inc (CAGE 27286); Cleveland Service Center (CAGE 54119); George Fischer Sloane, Inc. (CAGE 14889)
Technical Specifications
ParameterValue
NSN4730-00-243-7441
Primary Part Number838-251
Item NameReducer,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerLasco Industries
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2825-00-036-33708250 INTERCHANGEABLE
Retainer with Nut
Northrop Grumman Systems Corporation Div Marine Systems
5340-00-185-03751644 INTERCHANGEABLE
Standoff,threaded,spacing
Keystone Electronics Corp
5330-00-353-94408254 INTERCHANGEABLE
Gasket
Cummins Inc.
5330-00-464-72828254 INTERCHANGEABLE
Gasket
Teikoku Usa Inc. Div Chempump, a Division of Teikoku Usa Inc
5340-00-598-38278254 INTERCHANGEABLE
Strap,retaining
Telemechanics Inc
6625-01-250-6175 INTERCHANGEABLE
Divider,power,radio Frequency
5120-01-422-332523063503 INTERCHANGEABLE
Remover,seal
Rolls-Royce Corporation
5998-01-542-8547 INTERCHANGEABLE
Circuit Card Assembly
6530-01-565-6581MOGS33COMP INTERCHANGEABLE
Compressor,feed Air,pogs
On Site Gas Systems Inc
Cross-Reference Index
Part NumberManufacturer
838-251 PRIMARY Lasco Industries (USA)
01051053 PRIMARY Nibco Inc Chemtrol Div (USA)
8254 Eslon Thermoplastics Inc (USA)
0141180-251 PRIMARY Cleveland Service Center (USA)
838-251 PRIMARY Nibco Inc Chemtrol Div (USA)
838-251 George Fischer Sloane, Inc. (USA)
838-251 Nibco Inc (USA)
01051053 Nibco Inc (USA)
838-251 Eslon Thermoplastics Inc (USA)
Related Parts
2825-00-036-3370INTERCHANGEABLE
RETAINER WITH NUT
8250
5340-00-185-0375INTERCHANGEABLE
STANDOFF,THREADED,SPACING
1644
5330-00-353-9440INTERCHANGEABLE
GASKET
8254
5330-00-464-7282INTERCHANGEABLE
GASKET
8254
5340-00-598-3827INTERCHANGEABLE
STRAP,RETAINING
8254
6625-01-250-6175INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
5120-01-422-3325INTERCHANGEABLE
REMOVER,SEAL
23063503
5998-01-542-8547INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6530-01-565-6581INTERCHANGEABLE
COMPRESSOR,FEED AIR,POGS
MOGS33COMP

Frequently Asked Questions

What is NSN 4730-00-243-7441?

NSN 4730-00-243-7441 is a Reducer,pipe, manufactured by Lasco Industries, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-243-7441?

NSN 4730-00-243-7441 has 9 cross-referenced part numbers: 838-251 (Lasco Industries), 01051053 (Nibco Inc Chemtrol Div), 8254 (Eslon Thermoplastics Inc), 0141180-251 (Cleveland Service Center), 838-251 (Nibco Inc Chemtrol Div) and 4 more.

What NSN replaces 4730-00-243-7441?

There are 9 known substitutes for 4730-00-243-7441: 2825-00-036-3370, 5340-00-185-0375, 5330-00-353-9440 and 6 more. Verify interchangeability with system specifications before substitution.

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