Model: 178921

Hexag Single Ball Seat Plain Nut

Properties:

Thread Class
2b
Thread Direction
Left-hand
Nut Style
Single ball seat, hexagon
Ball Seat Radius
0.875 inches
Nut Height
0.880 inches
Width Across Flats
1.485 inches
Thread Series
Un
Thready Qty Per Inch (tpi)
16
Hardness Rating
Between 88.0 rockwell superficial 15-n and 90.0 rockwell superficial 15-n
Thread Size
1.125 inches
Material
Steel
Surface Treatment
Zinc except threads and chromate except threads
Surface Treatment Specification
Astm b633, type 2, cl 2 or 3 assn standard all treatment responses except threads
NSN
5310-01-270-5463
Part Number
178921
Description
Nut,plain,single Ball Seat,hexag
CAGE
18889

A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.

Part 178921 NSN 5310-01-270-5463

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04892
FIIG:
A021A0
Concept No.:
1
App. Key:
AZ
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:
AH
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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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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