Boss Reducer

NSN: 4730-00-804-1906 | Model: A0919

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

4730-00-804-1906

DEMIL

Thread Class

3a all ends

Reducer Type

Concentric

Connection Style

Flared w/ gasket seal (boss) all ends

Connection Type

Threaded external boss all ends

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.438 inches 1st end

Nominallength

1.250 inches

Material

Steel

Material Specification

Qq-s-637 federal specification single material response or mil-s-6758 military specification single material response and mil-s-5626 military specification single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 2, class 2 federal specification single treatment response

Thread Series Designator

Unjf all ends

Furnished Items And Quantity

2 preformed packing

Specification Data

96906-ms24399 government standard and 81349-mil-5509 government specification

Inventory Check

The last inventory check on this NSN was done on 03/07/2022. Due to rapid changes in inventory this may not be the current stock qty.

New: 884
New Surplus: 141
Serviceable: 1
Overhauled: 1
As Removed: 3

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 4730-00-804-1906 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

A0919
AS4841
AS5174
3034-B-256-B-5
AS5174-0402
MILF5509
AN919-1
MS24399-2

Cage Codes:

Aeronautical Standards Group (CAGE 88044)
Society Of Automotive Engineers Inc (CAGE 81343)
Matthew Warren, Inc (CAGE 55566)
Military Specifications (CAGE 81349)
Satair A/s (CAGE R1120)

Replacements:

4730-00-804-1906 replaces 4730-00-082-5830
4730-00-804-1906 replaces 4730-00-235-1497

Schedule B & Trade:

Schedule B: 7307992000 (NAICS 332919)

Other fittings nesoi of iron or nonalloy steel
SITC: 67959

Iron and 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
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 $28.76 to $47.93..
Does NSN 4730-00-804-1906 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, Malaysia, Australia, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Philippines, Portugal, Denmark, Norway, Greece, and Turkey
What is the NIIN of NSN 4730-00-804-1906?
008041906 or 00-804-1906
Does NSN 4730-00-804-1906 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-804-1906?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963