PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9975646-2Adapter,straight,pipe to Hose

Us Army Aviation and Missile Command · NSN 4730-00-202-9381 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-202-9381 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-202-9381. Primary manufacturer part number: 9975646-2.
Features
  • Adapter,straight,pipe to Hose — FSC 4730
  • Operating Pressure: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Overall Length: 1.250 INCHES IN
  • Nominal Inside Diameter Hose Accommodated: 0.250 INCHES SECOND END IN
  • Material: COPPER ALLOY OVERALL
  • Nominal Outside Diameter Hose Accommodated: 0.420 INCHES SECOND END IN
  • Nominal Overall Length: 1.250 INCHES IN
  • Nominal Thread Size: 0.125 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-00-202-9381, 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 Us Army Aviation and Missile Command. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-202-9381
Primary Part Number9975646-2
Item NameAdapter,straight,pipe to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusCANCELLED
Operating Pressure2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Overall Length1.250 INCHES IN
Nominal Inside Diameter Hose Accommodated0.250 INCHES SECOND END IN
MaterialCOPPER ALLOY OVERALL
Nominal Outside Diameter Hose Accommodated0.420 INCHES SECOND END IN
Nominal Overall Length1.250 INCHES IN
Nominal Thread Size0.125 INCHES FIRST END IN
Connection StyleGRIPPING (HOSE) SECOND END
Thread Series DesignatorNPT FIRST END
Nominal Outside Diameter Hose Accommodated0.420 INCHES SECOND END IN
Nominal Thread Size0.125 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Operating Pressure2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Furnished Items and Quantity1 SHORT COUPLING NUT WITH SLEEVE
Connection StylePLAIN (PIPE) FIRST END
MaterialCOPPER ALLOY OVERALL
Nominal Inside Diameter Hose Accommodated0.250 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Furnished Items and Quantity1 SHORT COUPLING NUT WITH SLEEVE
Thread Series DesignatorNPT FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5310-00-009-3913 INTERCHANGEABLE
Nut,plain,extended Washer,hexago
4820-00-181-923096C5 INTERCHANGEABLE
Cock,poppet Drain
Auto-Valve, Inc
6240-00-196-45011490 INTERCHANGEABLE
Lamp,incandescent
Ward Leonard Ct Llc
4720-00-922-51362663-12 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
4720-01-230-187412G1 INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
588B102 Cardwell Condenser Corp Lapointe-Admiral Div (USA)
FN04-02MB Imperial (USA)
A4402 Dana Corp Weatherhead Div (USA)
BP19269-2 Burke Products Inc (USA)
CA3104 Senior Operations Llc Div Senior Aerospace Ssp (USA)
CA3104 Senior Operations Llc (USA)
A4402 Danfoss Power Solutions II, Llc (USA)
9975646-2 PRIMARY Us Army Aviation and Missile Command (USA)
140-04402 Dana Corp Weatherhead Div (USA)
12FN Imperial (USA)
Related Parts
5310-00-009-3913INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,HEXAGO
4820-00-181-9230INTERCHANGEABLE
COCK,POPPET DRAIN
96C5
6240-00-196-4501INTERCHANGEABLE
LAMP,INCANDESCENT
1490
4720-00-922-5136INTERCHANGEABLE
HOSE,NONMETALLIC
2663-12
4720-01-230-1874INTERCHANGEABLE
HOSE,NONMETALLIC
12G1

Frequently Asked Questions

What is NSN 4730-00-202-9381?

NSN 4730-00-202-9381 is a Adapter,straight,pipe to Hose, manufactured by Us Army Aviation and Missile Command, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-202-9381?

NSN 4730-00-202-9381 has 10 cross-referenced part numbers: 588B102 (Cardwell Condenser Corp Lapointe-Admiral Div), FN04-02MB (Imperial), A4402 (Dana Corp Weatherhead Div), BP19269-2 (Burke Products Inc), CA3104 (Senior Operations Llc Div Senior Aerospace Ssp) and 5 more.

What NSN replaces 4730-00-202-9381?

There are 5 known substitutes for 4730-00-202-9381: 5310-00-009-3913, 4820-00-181-9230, 6240-00-196-4501 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9975646-2?

Key specifications for 9975646-2: Operating Pressure: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Overall Length: 1.250 INCHES IN; Nominal Inside Diameter Hose Accommodated: 0.250 INCHES SECOND END IN; Material: COPPER ALLOY OVERALL. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-202-9381 still in active supply?

NSN 4730-00-202-9381 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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