PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5083-G501Coupling Half,quick Disconnect

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 4730-01-307-3665 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-307-3665 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-307-3665. Primary manufacturer part number: 5083-G501.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Nominal Thread Size: 0.250 INCHES ALL ENDS IN
  • Quick Disconnect Nominal Size: 0.125 INCHES ALL ENDS IN
  • Material: STEEL CORROSION RESISTING BODY
  • Connection Style: PLAIN ALL ENDS
  • Quick Disconnect Method: PUSH-PULL ALL ENDS
  • Style Designator: MALE COUPLING HALF
  • Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-307-3665, 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 Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-307-3665
Primary Part Number5083-G501
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
Nominal Thread Size0.250 INCHES ALL ENDS IN
Quick Disconnect Nominal Size0.125 INCHES ALL ENDS IN
MaterialSTEEL CORROSION RESISTING BODY
Connection StylePLAIN ALL ENDS
Quick Disconnect MethodPUSH-PULL ALL ENDS
Style DesignatorMALE COUPLING HALF
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Connection TypeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
Thread Series DesignatorNPT ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2530-00-278-6508 INTERCHANGEABLE
Lining Material,friction
5365-00-540-4430508301 INTERCHANGEABLE
Plug,machine Thread
Hamilton Sundstrand Corporation Dba Collins Aerospace
5305-00-790-5601508-3 INTERCHANGEABLE
Setscrew
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5315-00-830-2504070320000 INTERCHANGEABLE
Pin,rebound Slide
Smith & Wesson Sales Company
2510-00-872-9289508-3 INTERCHANGEABLE
Shock Absorber,direct Action
General Motors Llc Dba General Motors Llc
5950-00-893-5078 INTERCHANGEABLE
Reactor
5330-01-133-84943027983 INTERCHANGEABLE
Gasket
Navistar Intl Corp Truck Br Ohio Plant
4140-01-190-5493383-7644 INTERCHANGEABLE
Impeller,fan,axial
Caterpillar Inc Div Caterpillar Defense
5365-01-200-1293 INTERCHANGEABLE
Bushing,nonmetallic
8105-01-217-7594210-1115 INTERCHANGEABLE
Bag,plastic
Desco Industries Inc
Cross-Reference Index
Part NumberManufacturer
B5083-G501 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
5083-01 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
5682 ITEM 7 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
4730PL0851362 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5083-G501 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
5083 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
2530-00-278-6508INTERCHANGEABLE
LINING MATERIAL,FRICTION
5365-00-540-4430INTERCHANGEABLE
PLUG,MACHINE THREAD
508301
5305-00-790-5601INTERCHANGEABLE
SETSCREW
508-3
5315-00-830-2504INTERCHANGEABLE
PIN,REBOUND SLIDE
070320000
2510-00-872-9289INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
508-3
5950-00-893-5078INTERCHANGEABLE
REACTOR
5330-01-133-8494INTERCHANGEABLE
GASKET
3027983
4140-01-190-5493INTERCHANGEABLE
IMPELLER,FAN,AXIAL
383-7644
5365-01-200-1293INTERCHANGEABLE
BUSHING,NONMETALLIC
8105-01-217-7594INTERCHANGEABLE
BAG,PLASTIC
210-1115
5340-01-325-1589INTERCHANGEABLE
HANDLE,EXTENSION
927599
5310-01-399-2661INTERCHANGEABLE
NUT,PLAIN,HEXAGON
508-3

Frequently Asked Questions

What is NSN 4730-01-307-3665?

NSN 4730-01-307-3665 is a Coupling Half,quick Disconnect, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-307-3665?

NSN 4730-01-307-3665 has 6 cross-referenced part numbers: B5083-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc), 5083-01 (Howell Laboratories Inc Dba Howell Laboratories Inc), 5682 ITEM 7 (Howell Laboratories Inc Dba Howell Laboratories Inc), 4730PL0851362 (Jednolity Indeks Materialowy - Uniform Material Index), 5083-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc) and 1 more.

What NSN replaces 4730-01-307-3665?

There are 12 known substitutes for 4730-01-307-3665: 2530-00-278-6508, 5365-00-540-4430, 5305-00-790-5601 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5083-G501?

Key specifications for 5083-G501: Nominal Thread Size: 0.250 INCHES ALL ENDS IN; Quick Disconnect Nominal Size: 0.125 INCHES ALL ENDS IN; Material: STEEL CORROSION RESISTING BODY; Connection Style: PLAIN ALL ENDS. 10 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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