Model: MS21244-4

Assembled Washer Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Washer Outside Diameter
Between 0.530 inches and 0.560 inches
Counterbore Diameter
0.299 inches nut and 0.309 inches nut
Overall Height
Between 0.365 inches and 0.405 inches
Nut Style
Flat with turned back edge
Nut Counterbore Depth
0.172 inches nut and 0.192 inches nut
Width Across Flats
Between 0.430 inches and 0.439 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Bearing Surface Finish
125.0 microinches
Material
Steel comp 302 washer or steel comp 321 washer
Material
Steel nut
Surface Treatment
Cadmium nut and chromate nut
Surface Treatment
Passivate washer
Surface Treatment Specification
Qq-p-35 federal specification single treatment response washer
Surface Treatment Specification
Qq-p-416 type 2 class 2 federal specification single treatment response nut
Nondefinitive Specification/std Data
A grade
NSN
5310-00-126-5753
Part Number
MS21244-4
Description
Nut,plain,assembled Washer
CAGE
80205

A plain nut on which has been assembled a nonremovable washer.

Part MS21244-4 NSN 5310-00-126-5753

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
21824
FIIG:
A021A0
Concept No.:
1
App. Key:
AD
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:
0.1000lbs
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:
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

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Phone: +1 470-231-0824
Email: Contact Form »
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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