PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50989Coupling Assembly,quick Disconne

Jetstream of Houston, Llp Dba Jetstream of Houston Llp · NSN 4730-01-320-0011 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-320-0011 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-320-0011. Primary manufacturer part number: 50989.
Features
  • Coupling Assembly,quick Disconne — FSC 4730
  • Thread Series Designator: NPT FIRST FLUID END CONNECTION
  • Style Designator: COUPLING ASSEMBLY
  • Connection Style: PLAIN FIRST FLUID END CONNECTION
  • Operating Pressure: 15000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Quick Disconnect Method: TWO LUG UNIVERSAL ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
  • Nominal Thread Size: 0.500 INCHES FIRST FLUID END CONNECTION IN
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Coupling Assembly,quick Disconne, cataloged under National Stock Number 4730-01-320-0011, 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 Jetstream of Houston, Llp Dba Jetstream of Houston Llp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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.

Technical Specifications
ParameterValue
NSN4730-01-320-0011
Primary Part Number50989
Item NameCoupling Assembly,quick Disconne
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerJetstream of Houston, Llp Dba Jetstream of Houston Llp
StatusACTIVE
Thread Series DesignatorNPT FIRST FLUID END CONNECTION
Style DesignatorCOUPLING ASSEMBLY
Connection StylePLAIN FIRST FLUID END CONNECTION
Operating Pressure15000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Quick Disconnect MethodTWO LUG UNIVERSAL ALL ENDS
Connection TypeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
Nominal Thread Size0.500 INCHES FIRST FLUID END CONNECTION IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1730-00-129-865251400 INTERCHANGEABLE
Brake,caster Assemb
Aerol Llc
5210-00-261-5844234A-11 INTERCHANGEABLE
Rod,end Measuring,standard
L.s. Starrett Company (the) Div Tool Division
6640-00-269-070651400 INTERCHANGEABLE
Holder,stereotaxic,animal
Stoelting Co
5120-00-529-30743250252PC3 INTERCHANGEABLE
Wrench,spanner
Naval Ship Systems Command
4310-01-048-014651400 INTERCHANGEABLE
Vacuum Pump,rotary
Rotary Vacuum Pumps Inc
5340-01-611-425951382 INTERCHANGEABLE
Mount,resilient,utility
Tech Products Corp
Cross-Reference Index
Part NumberManufacturer
51400 Jetstream of Houston, Llp Dba Jetstream of Houston Llp (USA)
50989 PRIMARY Jetstream of Houston, Llp Dba Jetstream of Houston Llp (USA)
51382 Jetstream of Houston, Llp Dba Jetstream of Houston Llp (USA)
Related Parts
1730-00-129-8652INTERCHANGEABLE
BRAKE,CASTER ASSEMB
51400
5210-00-261-5844INTERCHANGEABLE
ROD,END MEASURING,STANDARD
234A-11
6640-00-269-0706INTERCHANGEABLE
HOLDER,STEREOTAXIC,ANIMAL
51400
5120-00-529-3074INTERCHANGEABLE
WRENCH,SPANNER
3250252PC3
4310-01-048-0146INTERCHANGEABLE
VACUUM PUMP,ROTARY
51400
5340-01-611-4259INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
51382

Frequently Asked Questions

What is NSN 4730-01-320-0011?

NSN 4730-01-320-0011 is a Coupling Assembly,quick Disconne, manufactured by Jetstream of Houston, Llp Dba Jetstream of Houston Llp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-320-0011?

NSN 4730-01-320-0011 has 3 cross-referenced part numbers: 51400 (Jetstream of Houston, Llp Dba Jetstream of Houston Llp), 50989 (Jetstream of Houston, Llp Dba Jetstream of Houston Llp), 51382 (Jetstream of Houston, Llp Dba Jetstream of Houston Llp).

What NSN replaces 4730-01-320-0011?

There are 6 known substitutes for 4730-01-320-0011: 1730-00-129-8652, 5210-00-261-5844, 6640-00-269-0706 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50989?

Key specifications for 50989: Thread Series Designator: NPT FIRST FLUID END CONNECTION; Style Designator: COUPLING ASSEMBLY; Connection Style: PLAIN FIRST FLUID END CONNECTION; Operating Pressure: 15000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com