Tube To Boss Straight Adapter

NSN: 4730-00-278-8344 | Model: AS4841

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.

NSN Properties and Flags

NATO Stock Number

4730-00-278-8344

DEMIL

Thread Class

3a all ends

Connection Style

Flared w/ gasket seal (boss) 2nd end

Connection Type

Threaded external tube 1st end

Thread Size

0.562 inches all ends

Seat Angle

37.0 degrees 1st end

Outside Diameter Tube Accommodated

0.375 inches 1st end

Nominallength

2.219 inches

Part Name Assigned By Controlling Agency

Union-flared tube, 3/8 bulkhead and universal

Material

Steel comp 1137

Material Specification

66 federal standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 1, class 2 federal specification single treatment response

Thread Series Designator

Unjf center bulkhead

Specification Data

81343-as4841 professional/industrial association standard

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE7M321T096U	2021-07-29	PMCM4	48 EA
SPE7M320T8641	2020-04-23	PMCM4	48 EA
SPE7M320T6895	2020-03-19	PMCM4	293 EA
SPE7M320T6263	2020-03-02	PMCM4	48 EA
SPE7M319T1931	2018-11-19	PMCM4	350 EA
SPE7M318T2528	2018-01-12	PMCM4	325 EA
SPE7M116TZ812	2016-06-27	PMCMK	169 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 4730-00-278-8344 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

AS4841
6WTSX
4924-6
AS5406-6
AN832-6
AN832-6
AN793-6
AN828-6
AN832-6
AN832-6
6WTSX
6WTSX
AN832-6
AN832-6
AN832-6
AN832-6
AN832-6
AN832-6
AN832-6
MIL-F-5509
AS4841
6WTSX
4924-6
AS5406-6
AN832-6
AN832-6
AN832-6
AN832-6
AN832-6
AN832-6
AN832-6
MIL-F-5509
AN832-6
AN832-6
AN832-6
6WTSX
6WTSX
AN793-6
AN828-6
AN832-6
AS4841
4924-6
6WTSX
AS5406-6
AN832-6
AN832-6
AN832-6
AN832-6
AN832-6
AN832-6
AN832-6
MIL-F-5509
AN832-6
AN832-6
AN832-6
6WTSX
6WTSX
AN793-6
AN828-6
AN832-6

Cage Codes:

Society Of Automotive Engineers Inc (CAGE 81343)
Hannifin Corporation Parker (CAGE 30780)
Jaidinger Mfg. Co., Inc. (CAGE 82386)
Mindeco Corp (CAGE 03958)
Collins Engineering Corp (CAGE 71563)
Aeronautical Standards Group (CAGE 88044)
Crown Fitting Co Inc (CAGE 22995)
Hannifin Corporation Parker (CAGE 45681)
Hannifin Corporation Parker (CAGE 98441)
Satair A/s (CAGE R1120)
Allan Aircraft Supply Co, Llc (CAGE 06581)
Hydro Fitting Manufacturing (CAGE 13899)
Faber Enterprises, Inc. (CAGE 14397)
Aeroquip Llc. Eaton (CAGE 00624)
Aerofit, Llc (CAGE 30974)
Designed Metal Connections, Inc. (CAGE 14798)
Federal Specifications (CAGE 81348)

Replacements:

4730-00-278-8344 replaces 4730-00-277-6448
4730-00-278-8344 replaces 4730-00-752-9571

Schedule B & Trade:

Schedule B: 7307994000 (NAICS 332919)

Other fittings nesoi of alloy steel not stainless
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

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:

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 $55.53 to $92.54..
Does NSN 4730-00-278-8344 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, U.s. Coast Guard, Poland, Bulgaria, Brazil, Spain, Columbia, Israel, Singapore, Kuwait, Malaysia, Australia, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Netherlands, Portugal, Italy, Denmark, Norway, Greece, Turkey, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 4730-00-278-8344?
002788344 or 00-278-8344
Does NSN 4730-00-278-8344 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-278-8344?
Solicitation SPE7M321T096U for qty 48 on 08/04/2021
When was this national stock number assigned to the federal catalog?
Jan 01, 1961