Tube Reducer

NSN: 4730-01-125-9756 | Model: J522P57

A straight tube fitting having a different size connection on each end. It is designed to join two tubes of different sizes. Excludes bushing (as modified).

NSN Properties and Flags

NATO Stock Number

4730-01-125-9756

DEMIL

Thread Class

3a 1st end

Reducer Type

Concentric

Connection Style

Flared (tube) 2nd end

Connection Type

Threaded external tube 2nd end

Thread Size

0.750 inches 1st end

Seat Radius

0.312 inches 2nd end

Outside Diameter Tube Accommodated

0.500 inches 1st end

Nominallength

1.530 inches

Special Features

Undrilled

Material

Stainless steel

Material Specification

Ams5643 assn standard single material response

Thread Series Designator

Unjf 1st end

Inventory Check

The last inventory check on this NSN was done on 05/05/2025. Due to rapid changes in inventory this may not be the current stock qty.

New: 201
Overhauled: 1
New Surplus: 1
Serviceable: 1
As Removed: 1

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 4730-01-125-9756 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

J522P57
10108610
J522

Cage Codes:

General Electric Company (CAGE 07482)
Nimikkeistokeskus Ncb Finland (CAGE A486G)

Schedule B & Trade:

Schedule B: 7307290000 (NAICS 332919)

Stainless steel tube or pipe fittings nesoi
SITC: 67956

Stainless steel tube and pipe fittings, n.E.S.
End Use: 12110

Iron and steel products, other

Identification:

HMIC

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

PMIC

A - Item does not contain precious metal.

CRITL

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

Freight Information:

NMFC:

052190 - Pipe, tubing, or pipe or tubing fitti
WCC:

576 - Metal and metal products, nos, (less than 35 feet)
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC:

B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
LTL:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
Z
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
9b-----
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $86.47 to $144.11..
Does NSN 4730-01-125-9756 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy, Finland, Spain, Malaysia, Australia, Canada, and Republic Of Korea
What is the NIIN of NSN 4730-01-125-9756?
011259756 or 01-125-9756
Does NSN 4730-01-125-9756 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-01-125-9756?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Feb 03, 1982