PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PS1-4245-1Coupling Half,quick Disconnect

Lockheed Martin Corp · NSN 4730-00-293-7165 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-293-7165 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-293-7165. Primary manufacturer part number: PS1-4245-1.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Nominal Thread Size: 0.500 INCHES ALL ENDS IN
  • Quick Disconnect Method: PUSH-PULL ALL ENDS
  • Features Provided: SELF-SEALING
  • Quick Disconnect Nominal Size: 0.562 INCHES ALL ENDS IN
  • Thread Series Designator: NPT ALL ENDS
  • Material: STEEL BODY
  • Connection Type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
Applications
  • Applications requiring Steel Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-293-7165, 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 Lockheed Martin Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-293-7165
Primary Part NumberPS1-4245-1
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusCANCELLED
Nominal Thread Size0.500 INCHES ALL ENDS IN
Quick Disconnect MethodPUSH-PULL ALL ENDS
Features ProvidedSELF-SEALING
Quick Disconnect Nominal Size0.562 INCHES ALL ENDS IN
Thread Series DesignatorNPT ALL ENDS
MaterialSTEEL BODY
Connection TypeEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
Nondefinitive Spec/std Data3 CLASS AND 1 STYLE AND 2 TYPE
Surface TreatmentCADMIUM BODY
Connection TypeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
Specification/standard Data58536-A-A-59439 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Style DesignatorMALE COUPLING HALF
Leg Length0.562 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Connection StylePLAIN ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5310-00-050-333589-370J INTERCHANGEABLE
Nut,self-Locking,hexagon
Dana Corp Spicer Transmission Div
5330-01-259-2106 INTERCHANGEABLE
Gasket
4820-01-286-0145P58-1 INTERCHANGEABLE
Retainer,disk,valve
Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
Cross-Reference Index
Part NumberManufacturer
PS1-4245-1 Lockheed Martin Corp (USA)
A-A-59439 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
M4109-13-16-00C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILC4109 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AA59439-13-16-00C Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
PS1-4245-1 Lockheed Martin Corp (USA)
P581 Schuler Inc (USA)
AA59439-013-16-00-C Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-050-3335INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
89-370J
5330-01-259-2106INTERCHANGEABLE
GASKET
4820-01-286-0145INTERCHANGEABLE
RETAINER,DISK,VALVE
P58-1

Frequently Asked Questions

What is NSN 4730-00-293-7165?

NSN 4730-00-293-7165 is a Coupling Half,quick Disconnect, manufactured by Lockheed Martin Corp, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-293-7165?

NSN 4730-00-293-7165 has 8 cross-referenced part numbers: PS1-4245-1 (Lockheed Martin Corp), A-A-59439 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), M4109-13-16-00C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILC4109 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AA59439-13-16-00C (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 4730-00-293-7165?

There are 3 known substitutes for 4730-00-293-7165: 5310-00-050-3335, 5330-01-259-2106, 4820-01-286-0145. Verify interchangeability with system specifications before substitution.

What are the specifications of PS1-4245-1?

Key specifications for PS1-4245-1: Nominal Thread Size: 0.500 INCHES ALL ENDS IN; Quick Disconnect Method: PUSH-PULL ALL ENDS; Features Provided: SELF-SEALING; Quick Disconnect Nominal Size: 0.562 INCHES ALL ENDS IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-293-7165 still in active supply?

NSN 4730-00-293-7165 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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