Model: MS21921-6

Tube Coupling Nut

Special Features:

Supports grumman a10 aircraft. Thread series is unfj. Nut style is a350 tube coupling. Length to shoulder is "any acceptable".

Properties:

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Machined
Nut Height
0.800 inches
Width Across Flats
0.688 inches
Smallest Inside Diameter
Between 0.425 inches and 0.430 inches
Thready Qty Per Inch (tpi)
18
Thread Size
0.5625 inches
Tube Outside Diameter
0.375 inches
Seat Angle
45.00 degrees
Material
15-5 ph steel
Surface Treatment
Cadmium
Specification Data
96906-ms21921 government standard
NSN
4730-00-810-4499
Part Number
MS21921-6
Description
Nut,tube Coupling
CAGE
T0813

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 MS21921-6 NSN 4730-00-810-4499

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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 0.7 X 0.8
Paclk Weight:
5.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
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 4730-00-810-4499 is a component of

  • B-1 Aircraft Support Equipment
  • Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
  • Ec-135h/k/p) Aircraft Tf33-pw-102 (c-135e Engine
  • B-52h) Aircraft Tf33-p-3/5/9 (c/ec-135 Engine
  • Tf33-100 (e3a/b/c) Aircraft Engine
  • T56-a-7/15 (c-130b/e/h/n/p) Aircraft Engine
  • Tf-33-p-7 (c-141a/b) Aircraft Engine
  • Adcap 48 Torpedo
  • Ah-1w Advance Attack Helicopter
  • 014186654
  • Full Tracked Personnel Carrier
  • 010883669
  • Cargo-transport Helicopter
  • 005049112
  • Attack Helicopter
  • 011378283
  • Aircraft Arresting Barrier Absorber

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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

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