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250R128WD12 Quick Disconnect Coupling Half

4730-01-227-1957

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Official Item Classification

Name
Quick Disconnect Coupling Half
Part Number
250R128WD12
(NSN) National Stock Number
4730-01-227-1957
(FSG) Federal Supply Group
47 Pipe, Tubing, Hose, And Fittings
(INC) Item Name Code
18681
(FIIG) Federal Item Identification Guide
A531T0
Date
03/01/1986 (40 years ago)

push-pull all ends quick disconnect method, 2.847 inches maximum overall length, 1.239 inches nominal leg length, 3a all ends thread class, flared all ends connection style

Specs & Compatibility

Thread Class

3a all ends

Overall Length

2.847 inches maximum

Quick Disconnect Method

push-pull all ends

Connection Style

flared all ends

Leg Length

1.239 inches nominal

Connection Type

internal 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

1.062 inches all ends

Seat Angle

37.0 degrees

Nominal Outside Diameter Tube Accommodated

0.750 inches all ends

Material

steel body

Material Document And Classification

astm a484 assn std single material response and astm a582,cond a assn std single material response body

Surface Treatment

passivate body

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response body

Style Designator

male coupling half

Thread Series Designator

unj all ends

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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
11437691 Quick Disconnect Coupling Half
11437691-7 Quick Disconnect Coupling Half
250R128WD12 Quick Disconnect Coupling Half
250R133WD12 Quick Disconnect Coupling Half

Frequently Asked Questions

What is the FSCG of the NSN 4730-01-227-1957?
The FSCG of the NSN 4730-01-227-1957 is 4730
Does the NSN 4730-01-227-1957 have a Schedule B code assigned?
Yes, the Schedule B code is 7307199030
Does NSN 4730-01-227-1957 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 4730-01-227-1957 contain precious materials?
Item does not contain precious metal.
Does NSN 4730-01-227-1957 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 4730-01-227-1957 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Sat, Mar 1, 1986