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3005S4-20D Quick Disconnect Coupling Half

4730-00-837-0503

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Official Item Classification

Name
Quick Disconnect Coupling Half
Part Number
3005S4-20D
(NSN) National Stock Number
4730-00-837-0503
(FSG) Federal Supply Group
47 Pipe, Tubing, Hose, And Fittings
(INC) Item Name Code
18681
(FIIG) Federal Item Identification Guide
A531T0
Date
01/01/1962 (64 years ago)

3.205 inches nominal overall length, quick lead thread all ends quick disconnect method, round first quick disconnect end basic shape style, 3a all ends thread class, 6 bolt hole quantity

Specs & Compatibility

Thread Class

3a all ends

Overall Length

3.205 inches nominal

Quick Disconnect Method

quick lead thread all ends

Bolt Hole Quantity

6

Basic Shape Style

round first quick disconnect end

Connection Style

flareless all ends

Connection Type

external quick disconnect all ends

Connection Type

threaded external tube first fluid end connection

Features Provided

self-sealing

Thread Quantity Per Inch

12 all ends

Nominal Thread Size

1.625 inches all ends

Mounting Flange Location

first leg

Seat Angle

12.0 degrees

Nominal Outside Diameter

3.000 inches

Bolt Hole Nominal Diameter

0.201 inches

Bolt Circle Nominal Diameter

2.625 inches

Nominal Outside Diameter Tube Accommodated

1.250 inches all ends

Material

aluminum alloy body

Surface Treatment

anodize body

Style Designator

male coupling half

Thread Series Designator

un all ends

Replacement For

Part Number Description
4730-00-819-9999 No Name Available 04/01/1980

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0018681

Related Hardware Products

Part Number Description
272MS177P010 Quick Disconnect Coupling Half
3005S4-20D Quick Disconnect Coupling Half

Frequently Asked Questions

What is the FSCG of the NSN 4730-00-837-0503?
The FSCG of the NSN 4730-00-837-0503 is 4730
Does the NSN 4730-00-837-0503 have a Schedule B code assigned?
Yes, the Schedule B code is 7609000000
Does NSN 4730-00-837-0503 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4730-00-837-0503 contain precious materials?
Precious metal content is unknown
Does NSN 4730-00-837-0503 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4730-00-837-0503 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962