Boss Reducer

NSN: 4730-00-187-3575 | 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

4730-00-187-3575

DEMIL

Thread Class

3a all ends

Reducer Type

Concentric

End Application

Attack helicopter model ah-1s; aircraft stratolifter c-135

Connection Style

Flared w/ gasket seal (boss) all ends

Connection Type

Threaded external boss all ends

Thread Size

0.438 inches 1st end

Criticality Code Justification

Feat

Nominallength

1.250 inches

Special Features

Weapon system essential

Material

Aluminum alloy 2014

Material Specification

Qq-a-225/4, t4 federal specification single material response

Surface Treatment

Anodize

Thread Series Designator

Unf all ends

Furnished Items And Quantity

2 preformed packing

Specification Data

88044-an919 government standard

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE7M315Q0631	2015-05-11	PMCMD	498 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 4730-00-187-3575 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

AS4841
AS5174
8071598
AN919-1D
AN919-1D
AN919-1D
273-0089-002
AN919-1D
110-033-1
7M637DA-1D
7M637DA-1D
7M637DA-1D
AS5174D0402
AN919-1D
AN919-1D
AN919-1D
AN919-1D
AN919-1D

Cage Codes:

Society Of Automotive Engineers Inc (CAGE 81343)
U S Army Aviation and Missile (CAGE 18876)
Allan Aircraft Supply Co, Llc (CAGE 06581)
Hydro Fitting Manufacturing (CAGE 13899)
Faber Enterprises, Inc. (CAGE 14397)
Boeing Company, The (CAGE 94756)
Aeroquip Llc. Eaton (CAGE 00624)
Bell Helicopter Textron Inc. (CAGE 97499)
Designed Metal Connections, Inc. (CAGE 14798)
Sps Technologies, Llc (CAGE 01673)
Nelson Aero Space, Inc. (CAGE 52930)
Crown Fitting Co Inc (CAGE 22995)
Satair A/s (CAGE R1120)
Aeronautical Standards Group (CAGE 88044)
Collins Engineering Corp (CAGE 71563)

Replacements:

4730-00-187-3575 replaces 4730-00-820-3366
4730-00-187-3575 replaces 4730-00-828-9974
4730-00-187-3575 replaces 4730-00-901-8174

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

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature but does have other critical featur (s) such as tolerance, fit restrictions 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 $16.28 to $27.14..
Does NSN 4730-00-187-3575 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, National Aeronautics and Space Administration, National Aeronautics and Space Administration, Slovenia, Poland, Brazil, Spain, Israel, Singapore, Kuwait, Malaysia, Belgium, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Philippines, Netherlands, Portugal, Italy, Denmark, Norway, Greece, and Turkey
What is the NIIN of NSN 4730-00-187-3575?
001873575 or 00-187-3575
Does NSN 4730-00-187-3575 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-187-3575?
Solicitation SPE7M315Q0631 for qty 498 on 05/07/2015
When was this national stock number assigned to the federal catalog?
Jan 01, 1961