Model: AS21921

Tube Coupling Nut

Special Features:

Weapon system essential

Properties:

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Nut Style
Tube coupling
Nut Height
0.860 inches
End Application
Rtf33-p-3/5/9 (c/ec-135, b-52h) aircraft engine. Tf33-pw-102 (c-135e, ec-135h/k/p), sh-60f asw carrier based helicopter. Mh-53e helicopter. Tf-33-p-7 (c-141 a/b) aircraft engine. Lamps mk iii landing system helicopter.
Width Across Flats
0.875 inches
Length To Shoulder
0.609 inches
Smallest Inside Diameter
0.552 inches
Thread Series
Unj
Thready Qty Per Inch (tpi)
16
Thread Size
0.750 inches
Tube Outside Diameter
0.500 inches
Seat Angle
45.00 degrees
Criticality Code Justification
Feat
Material
Steel comp 304
Material Specification
66 federal standard single material response
Surface Treatment
Passivate
Specification Data
96906-ms21921 government standard
NSN
4730-00-859-3517
Part Number
AS21921
Description
Nut,tube Coupling
CAGE
81343

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.

Part AS21921 NSN 4730-00-859-3517

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03859
FIIG:
A021A0
Concept No.:
1
App. Key:
CX
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

End Items End applications NSN 4730-00-859-3517 is a component of

  • Linear Electro-mechanical Actuator
  • 010704372
  • Metallic Tube
  • 013582450
  • Metal Tube Assembly
  • 013586376
  • Metal Tube Assembly
  • 013590741
  • Metal Tube Assembly
  • 013588756
  • Metal Tube Assembly
  • 013586377
  • Mechanical Drive Housing
  • 009393581
  • Sh-60f Carrier Based Asw Helicopter
  • Sof / Hh-53j/m Pave Low Helicopter
  • Mh-53e Helicopter
  • Lamps Mk Iii Helicopter Landing System
  • Tf-33-p-7 (c-141a/b) Aircraft Engine
  • Tf33-100 (e3a/b/c) Aircraft Engine
  • B-52h) Aircraft Tf33-p-3/5/9 (c/ec-135 Engine
  • Ec-135h/k/p) Aircraft Tf33-pw-102 (c-135e Engine
  • Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
  • Sh-60f Asw Carrie Ec-135h/k/p) B-52h) Aircraft Engine. Tf33-pw-102 (c-135e Tf33-p-3/5/9 (c/ec-135

Pricing & Availability Check

Submit this form for stock availability and pricing.
Part Number:
Quantity:
Email Address:
Phone Number:
Your Name:
Company:



Privacy Policy    Terms & Conditions

How to Order  

Ordering from buyaircraftparts.com

If you would like to order this tube coupling nut (NSN 4730-00-859-3517) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours: 08:00-18:00 Eastern Standard Time
Phone: +1 470-231-0824
Email: Contact Form ยป
Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

Highest Rated Parts
Recently Purchased Parts
Hot Parts