Tube Fitting Locknut

NSN: 4730-00-277-6372 | 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

4730-00-277-6372

DEMIL

Thread Class

Thread Direction

Right-hand

Nut Style

Tube fitting locknut

Nut Height

0.281 inches

End Application

Grumman a10 aircraft; chinook helicopter ch-47

Width Across Flats

0.688 inches

Thread Series

Unf

Packing Recess Diameter

0.608 inches

Packing Recess Depth

0.042 inches

Thready Qty Per Inch (tpi)

Thread Size

0.438 inches

Tube Outside Diameter

0.250 inches

Material

Steel comp 1141

Material Specification

Qq-s-637, comp 1141 federal specification single material response

Surface Treatment

Cadmium

Surface Treatment Specification

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

Specification Data

88044-an6289 government standard

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE4A718T9793	2018-02-13	GPD45	1097 EA
SPE4A718T8629	2018-01-24	GPD45	1439 EA
SPE4A718T7003	2017-12-27	KZM00	2296 EA
SPE4A717TM911	2017-08-15	GPP83	2296 EA
SPE7M317T4061	2017-04-14	PMCM4	862 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 4730-00-277-6372 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

AS4841
AS5179
AS5179-04
AN6289-4
AN6289-4
AS5179-04
10086129
477 713
AS5179-04
4730-277-6372
4730002776372

Cage Codes:

Society Of Automotive Engineers Inc (CAGE 81343)
Faber Enterprises, Inc. (CAGE 14397)
Aeronautical Standards Group (CAGE 88044)
Nimikkeistokeskus Ncb Finland (CAGE A486G)
Piper Aircraft Inc. (CAGE 77294)
E.c.a Etablissement (CAGE SCY13)

Replacements:

4730-00-277-6372 replaces 4730-00-282-4608
4730-00-277-6372 replaces 4730-00-316-8741
4730-00-277-6372 replaces 4730-00-734-5775

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:

093486 - Bolts, nuts or screws, noi (sub 3)
WCC:

573 - Bolts or nuts (iron or steel),(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 $8.67 to $14.45..
Does NSN 4730-00-277-6372 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, National Aeronautics and Space Administration, Austria, Finland, Lithuania, Poland, Romania, Slovakia, Bulgaria, Brazil, Spain, Columbia, Israel, Singapore, Kuwait, Morocco, Malaysia, Thailand, Australia, Belgium, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Philippines, Netherlands, Portugal, Italy, Denmark, Norway, Greece, Turkey, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 4730-00-277-6372?
002776372 or 00-277-6372
Does NSN 4730-00-277-6372 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-277-6372?
Solicitation SPE4A718T9793 for qty 1097 on 02/06/2018
When was this national stock number assigned to the federal catalog?
Jan 01, 1961