PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3100300Tee,flange to Pipe

W S Darley & Co · NSN 4730-01-270-2491 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-270-2491 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-270-2491. Primary manufacturer part number: 3100300.
Features
  • Tee,flange to Pipe — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: W S Darley & Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Tee,flange to Pipe, cataloged under National Stock Number 4730-01-270-2491, 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 W S Darley & Co. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTee,flange to Pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersW S Darley & Co (CAGE 15852)
Technical Specifications
ParameterValue
NSN4730-01-270-2491
Primary Part Number3100300
Item NameTee,flange to Pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerW S Darley & Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4820-00-287-2718T227 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Grove Valve Operations
6210-00-299-612253-0991-000 INTERCHANGEABLE
Lens,light
Dialight Corporation
6810-00-949-0257 INTERCHANGEABLE
Hexane
5950-00-968-0535 INTERCHANGEABLE
Transformer
5985-01-138-8404261C2289 INTERCHANGEABLE
Coupler,antenna
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
4820-01-418-0015 INTERCHANGEABLE
Valve,gate
Cross-Reference Index
Part NumberManufacturer
H291 W S Darley & Co (USA)
3100300 PRIMARY W S Darley & Co (USA)
Related Parts
4820-00-287-2718INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
T227
6210-00-299-6122INTERCHANGEABLE
LENS,LIGHT
53-0991-000
6810-00-949-0257INTERCHANGEABLE
HEXANE
5950-00-968-0535INTERCHANGEABLE
TRANSFORMER
5985-01-138-8404INTERCHANGEABLE
COUPLER,ANTENNA
261C2289
4820-01-418-0015INTERCHANGEABLE
VALVE,GATE

Frequently Asked Questions

What is NSN 4730-01-270-2491?

NSN 4730-01-270-2491 is a Tee,flange to Pipe, manufactured by W S Darley & Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-270-2491?

NSN 4730-01-270-2491 has 2 cross-referenced part numbers: H291 (W S Darley & Co), 3100300 (W S Darley & Co).

What NSN replaces 4730-01-270-2491?

There are 6 known substitutes for 4730-01-270-2491: 4820-00-287-2718, 6210-00-299-6122, 6810-00-949-0257 and 3 more. Verify interchangeability with system specifications before substitution.

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