Tube Fitting Locknut

NSN: 4730-00-277-5078 | Model: AS4841

An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing rin (s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also locknut, pipe; nut (1), tube coupling and nut (1) , plain, hexagon.

NSN Properties and Flags

NATO Stock Number

4730-00-277-5078

DEMIL

Thread Class

Thread Direction

Right-hand

Nut Style

Tube fitting locknut

Nut Height

0.391 inches

Width Across Flats

1.125 inches

Thread Series

Unf

Packing Recess Diameter

1.045 inches

Packing Recess Depth

0.054 inches

Thready Qty Per Inch (tpi)

Thread Size

0.875 inches

Tube Outside Diameter

0.625 inches

Material

Aluminum alloy 2014

Material Specification

Qq-a-225/4, alloy 2014, t6 federal specification single material response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625, type 2, class 2 military specification single treatment response

Specification Data

88044-an6289 government standard

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE7M421U0632	2021-03-25	PMCMD	491 EA
SPE7M318T9669	2018-06-25	PMCM4	447 EA

Inventory Check

The last inventory check on this NSN was done on 09/30/2020. Due to rapid changes in inventory this may not be the current stock qty.

New: 778
New Surplus: 255
As Removed: 2
Serviceable: 10

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 4730-00-277-5078 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

AS4841
AS5179D10
AN6289D10
AN6289D10
10108314

Cage Codes:

Society Of Automotive Engineers Inc (CAGE 81343)
Faber Enterprises, Inc. (CAGE 14397)
Aeronautical Standards Group (CAGE 88044)
Nimikkeistokeskus Ncb Finland (CAGE A486G)

Replacements:

4730-00-277-5078 replaces 4730-00-596-2160

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:

013540 - Alum nuts
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:

Q - 70.0
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
D
Quantity per pack
25
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 $4.50 to $7.49..
Does NSN 4730-00-277-5078 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, U.s. Marine Corps, Department Of The Navy, Finland, Poland, Brazil, Spain, Israel, Singapore, Malaysia, Australia, Belgium, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Netherlands, Portugal, Italy, Denmark, Norway, Greece, and Turkey
What is the NIIN of NSN 4730-00-277-5078?
002775078 or 00-277-5078
Does NSN 4730-00-277-5078 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-277-5078?
Solicitation SPE7M421U0632 for qty 491 on 03/24/2021
When was this national stock number assigned to the federal catalog?
Jan 01, 1963