Boss Reducer

NSN: 4730-00-187-3596 | Model: AS4841

A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes bushing (as modified).

NSN Properties and Flags

NATO Stock Number

4730-00-187-3596

DEMIL

Thread Class

3a all ends

Reducer Type

Concentric

Maximum Operating Temp

160.0 degrees fahrenheit single response

End Application

Aircraft aplication

Connection Style

Flared w/ gasket seal (boss) all ends

Connection Type

Threaded external boss all ends

Thready Qty Per Inch (tpi)

12 all ends

Maximum Operating Pressure

1500.0 pounds per square inch single response

Thread Size

1.062 inches 2nd end

Nominallength

2.156 inches

Material

Aluminum alloy 2014

Material Specification

Qq-a-225/4, t6 federal specification single material response

Surface Treatment

Anodize

Thread Series Designator

Un all ends

Specification Data

81343-as5174 professional/industrial association specification

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE7M319T5083	2019-02-11	PMCM4	115 EA
SPE7M319T2088	2018-11-19	C0141	45 EA
SPE7MC16TG708	2016-07-21	PMCMU	145 EA

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 4730-00-187-3596 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

AS4841
AS5174
8020480
AS5174D1612
AS5174D1612
AN919-23D
AS517AD1612

Cage Codes:

Society Of Automotive Engineers Inc (CAGE 81343)
U S Army Aviation and Missile (CAGE 18876)
Precision Aircraft Machining (CAGE 66774)
Aeronautical Standards Group (CAGE 88044)

Replacements:

4730-00-187-3596 replaces 4730-00-287-4855
4730-00-187-3596 replaces 4730-01-527-5020

Schedule B & Trade:

Schedule B: 7609000000 (NAICS 332919)

Aluminum tube or pipe fittings (couplings, elbows sleeves)
SITC: 68427

Aluminum and aluminum alloy tube and pipe fittings (e.G. Couplings, elbows and sleeves)
End Use: 12300

Finished metal shapes

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

U - Precious metal content is unknown

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:

051400 - Pipe fittings aluminum
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:

P - 77.5
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
D
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
J2200x-
Repariability
This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $54.03 to $90.05..
Does NSN 4730-00-187-3596 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 Army, Department Of The Air Force, Department Of The Navy, Poland, Brazil, Spain, Columbia, Israel, Singapore, Kuwait, Malaysia, Thailand, Australia, Belgium, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Portugal, Italy, Denmark, Norway, Greece, and Turkey
What is the NIIN of NSN 4730-00-187-3596?
001873596 or 00-187-3596
Does NSN 4730-00-187-3596 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-187-3596?
Solicitation SPE7M319T5083 for qty 115 on 02/01/2019
When was this national stock number assigned to the federal catalog?
Jan 01, 1961