Model: 22K2-428

Cap Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Style
Cap
Nut Height
Between 0.347 inches and 0.387 inches
Width Across Flats
Between 0.490 inches and 0.502 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Bearing Surface Type
Washer faced
Material
Fiber locking insert
Material
Steel except insert
Surface Treatment
Cadmium nut
NSN
5310-00-488-8566
Part Number
22K2-428
Description
Nut,self-locking,cap
CAGE
27687

A nut internally threaded from one end, and completely enclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, dodecagonal or the like and taper to a cone or dome shape on the closed end. An integral feature is incorporated for locking on the threads of a mating memeber. Excludes nut (1), stamped.

Part 22K2-428 NSN 5310-00-488-8566

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05275
FIIG:
A021A0
Concept No.:
1
App. Key:
BK
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:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.6000lbs
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:
E
LVL_B:

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 5310-00-488-8566 is a component of

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  • 011922478
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  • Radar Set
  • 014663717
  • Aircraft Controller Grip Assembly
  • 005049112
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  • 005190103
  • Power Supply
  • 010204216
  • Observation Helicopter
  • 009398561
  • Aircraft Control Stick
  • 007011937
  • Aircraft Seat
  • 005161759
  • Aircraft Seat
  • 007011935
  • Aircraft Seat
  • 007011938
  • Aircraft Seat
  • 005407942
  • Aircraft Seat
  • 005409666
  • Aircraft Seat
  • 011684260
  • Attack Helicopter

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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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