PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1166 1Coupling,pipe

Itt Grinnell Corp · NSN 4730-01-009-0989 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-009-0989 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-009-0989. Primary manufacturer part number: 1166 1.
Features
  • Coupling,pipe — FSC 4730
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Nominal Pipe Size Accommodated: 1.000 INCHES FIRST END IN
  • Thread Quantity Per Inch: 11-1/2 ALL ENDS
  • Connection Style: PLAIN (PIPE) FIRST END
  • Media for Which Designed: STEAM SINGLE RESPONSE
  • Material: IRON OVERALL
  • Style Designator: PLAIN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-01-009-0989, 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 Itt Grinnell Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-009-0989
Primary Part Number1166 1
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerItt Grinnell Corp
StatusACTIVE
Connection TypeTHREADED INTERNAL PIPE FIRST END
Nominal Pipe Size Accommodated1.000 INCHES FIRST END IN
Thread Quantity Per Inch11-1/2 ALL ENDS
Connection StylePLAIN (PIPE) FIRST END
Media for Which DesignedSTEAM SINGLE RESPONSE
MaterialIRON OVERALL
Style DesignatorPLAIN
Thread Series DesignatorNPSH FIRST END
Material Document and ClassificationASTM A47 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Overall Length2.375 INCHES IN
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size1.000 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-00-072-7684LA1559 INTERCHANGEABLE
Valve,flow Control
Viking Pump, Inc
2530-00-073-3465280212 INTERCHANGEABLE
Valve,relay,air Pressure
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5950-00-137-8640 INTERCHANGEABLE
Transformer,power
5950-00-532-7031541-1390-002 INTERCHANGEABLE
Coil,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4140-00-625-1780021197 INTERCHANGEABLE
Fan,centrifugal
Rotron Incorporated
4730-00-928-831911661 INTERCHANGEABLE
Coupler
Mcneil Ohio Corp
5330-01-054-240511661 INTERCHANGEABLE
Gasket
Paccar Winch Inc Dba Paccar Winch Division
5330-01-083-2141970320538 INTERCHANGEABLE
Gasket
Altec Industries Inc Eastern Div
6220-01-204-355811661 INTERCHANGEABLE
Insert
Grimes Aerospace Company
4820-01-253-3550 INTERCHANGEABLE
Valve,safety Relief
Cross-Reference Index
Part NumberManufacturer
1166 1 Itt Grinnell Corp (USA)
Related Parts
4820-00-072-7684INTERCHANGEABLE
VALVE,FLOW CONTROL
LA1559
2530-00-073-3465INTERCHANGEABLE
VALVE,RELAY,AIR PRESSURE
280212
5950-00-137-8640INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-532-7031INTERCHANGEABLE
COIL,RADIO FREQUENCY
541-1390-002
4140-00-625-1780INTERCHANGEABLE
FAN,CENTRIFUGAL
021197
4730-00-928-8319INTERCHANGEABLE
COUPLER
11661
5330-01-054-2405INTERCHANGEABLE
GASKET
11661
5330-01-083-2141INTERCHANGEABLE
GASKET
970320538
6220-01-204-3558INTERCHANGEABLE
INSERT
11661
4820-01-253-3550INTERCHANGEABLE
VALVE,SAFETY RELIEF
5905-01-340-8708INTERCHANGEABLE
RESISTOR,THERMAL
1166-1

Frequently Asked Questions

What is NSN 4730-01-009-0989?

NSN 4730-01-009-0989 is a Coupling,pipe, manufactured by Itt Grinnell Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-009-0989?

NSN 4730-01-009-0989 has 1 cross-referenced part number: 1166 1 (Itt Grinnell Corp).

What NSN replaces 4730-01-009-0989?

There are 11 known substitutes for 4730-01-009-0989: 4820-00-072-7684, 2530-00-073-3465, 5950-00-137-8640 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1166 1?

Key specifications for 1166 1: Connection Type: THREADED INTERNAL PIPE FIRST END; Nominal Pipe Size Accommodated: 1.000 INCHES FIRST END IN; Thread Quantity Per Inch: 11-1/2 ALL ENDS; Connection Style: PLAIN (PIPE) FIRST END. 12 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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