Model: PWA18749-4

Hexagon Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Hexagon
Nut Height
0.500 inches
Width Across Flats
Between 0.546 inches and 0.562 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
24
Thread Size
0.312 inches
Bearing Surface Type
Chamfered or washer faced
Material
Steel comp 1524 or steel comp 1025 or steel comp 1527 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1038 or steel comp 1040 or steel comp 1541
Material Specification
66 federal standard all material responses
Nondefinitive Specification/std Data
2 type and 11 style
Departure From Cited Designator
As modified by material, class thread and height
NSN
5310-00-264-0300
Part Number
PWA18749-4
Description
Nut,plain,hexagon
CAGE
77445

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. 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 PWA18749-4 NSN 5310-00-264-0300

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01857
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:
0.4000lbs
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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