Model: 3211791A

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
0.875 inches
End Application
Shipboard material handling equipment (mhe), wasp class lhd, trailer, semi (m860a1), chassis, truck (tss), truck, tractor (m911 & m746) (het), hemat (m989), family of medium tactical vehicles -medium, armored security vehicle, model xm1117, support equipment, b-1 aircraft, truck, fire/crash p8 and mrap
Width Across Flats
Between 1.480 inches and 1.505 inches
Thread Series
Unf
Features Provided
Casehardened
Thready Qty Per Inch (tpi)
16
Thread Size
0.750 inches
Material
Steel
Surface Treatment
Cadmium or zinc
NSN
5310-00-273-7771
Part Number
3211791A
Description
Nut,plain,single Ball Seat,hexag
CAGE
51665

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 3211791A NSN 5310-00-273-7771

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:
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:
0.3000lbs
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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New Products Recently updated in nuts and washers

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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