Tube Coupling Nut

NSN: 4730-00-555-8012 | Model: MS21916W4-3

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

4730-00-555-8012

DEMIL

Thread Class

Thread Direction

Right-hand

Fabrication Method

Any acceptable

Nut Style

Tube coupling

Nut Height

0.760 inches

End Application

Used on attack helicopter, ah-1 (mc)

Width Across Flats

0.625 inches

Length To Shoulder

0.562 inches

Smallest Inside Diameter

0.366 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Tube Outside Diameter

0.312 inches

Seat Angle

45.00 degrees

Material

Aluminum alloy 2024

Material Specification

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

Surface Treatment

Anodize

Specification Data

96906-ms21921 government standard

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 4730-00-555-8012 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

MS21916W4-3
MS21921D5
MS21921-5D
2-03004D5

Cage Codes:

Military Standards (CAGE 96906)
Aeroquip Llc. Eaton (CAGE 00624)

Replacements:

4730-00-555-8012 replaces 4730-00-497-4471
4730-00-555-8012 replaces 4730-00-989-3512

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

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
V
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 $3.12 to $5.20..
Does NSN 4730-00-555-8012 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 Air Force, Brazil, Spain, Singapore, Australia, Canada, New Zealand, France, Republic Of Korea, United Kingdom, Italy, Norway, Greece, and Turkey
What is the NIIN of NSN 4730-00-555-8012?
005558012 or 00-555-8012
Does NSN 4730-00-555-8012 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-555-8012?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1961