Tube Coupling Nut

NSN: 4730-00-555-8205 | Model: MS21921D12

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

NSN Properties and Flags

NATO Stock Number

4730-00-555-8205

DEMIL

Thread Class

Thread Direction

Right-hand

Fabrication Method

Any acceptable

Nut Style

Tube coupling

Nut Height

1.000 inches

End Application

Helicopter, model ch-47

Width Across Flats

1.250 inches

Length To Shoulder

0.687 inches

Smallest Inside Diameter

0.826 inches

Thread Series

Unj

Thready Qty Per Inch (tpi)

Thread Size

1.062 inches

Tube Outside Diameter

0.750 inches

Seat Angle

45.00 degrees

Material

Aluminum alloy 2014 or aluminum alloy 2024

Material Specification

Qq-a-225/6, t6, t62 or t851 federal specification single material response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625, type ii, caass 1 military specification single treatment response

Specification Data

96906-ms21921 government standard

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE7M317T8293	2017-09-28	PMCM4	1001 EA
SPE7M317T6183	2017-07-10	PMCM4	398 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 4730-00-555-8205 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

MS21921D12
MS51823-8P
MS21921-12D
AS18280
AS21921-12W
MS21921-12D
MS21921-12D
MS21921-12D
1376-18-116
ER818-12D
MS21921-12D

Cage Codes:

Military Standards (CAGE 96906)
Society Of Automotive Engineers Inc (CAGE 81343)
Aeroquip Llc. Eaton (CAGE 00624)
Hannifin Corporation Parker (CAGE 45681)
Parker Hannifin Corp (CAGE 50948)
Finmeccanica Spa (CAGE A0199)
Dana Corp (CAGE 79470)

Replacements:

4730-00-555-8205 replaces 4730-00-639-9416
4730-00-555-8205 replaces 4730-00-639-9859

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 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 $15.31 to $25.52..
Does NSN 4730-00-555-8205 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, Lithuania, Poland, Brazil, Spain, Israel, Singapore, Australia, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Italy, Denmark, Norway, Greece, and Turkey
What is the NIIN of NSN 4730-00-555-8205?
005558205 or 00-555-8205
Does NSN 4730-00-555-8205 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-555-8205?
Solicitation SPE7M317T8293 for qty 1001 on 09/18/2017
When was this national stock number assigned to the federal catalog?
Jan 01, 1961