Model: MS21304-1

Square Plain Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Nut Style
Square
Nut Height
Between 0.203 inches and 0.235 inches
Width Across Flats
Between 0.425 inches and 0.4375 inches
Tempurature Rating
Not rated
Thread Series
Unc
Thready Qty Per Inch (tpi)
20
Hardness Rating
103.0 brinell standard
Thread Size
0.250 inches
Bearing Surface Type
Washer faced
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
NSN
5310-00-982-4938
Part Number
MS21304-1
Description
Nut,plain,square
CAGE
96906

A nut, flat on top and bottom, having 4 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part MS21304-1 NSN 5310-00-982-4938

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01858
FIIG:
A021A0
Concept No.:
1
App. Key:
AG
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:
0.8000lbs
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

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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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