Model: 1881B42

Round Plain Nut

Special Features:

Used on b1-b

Properties:

Thread Class
3b
Thread Direction
Right-hand
Small End Diameter
4.680 inches
Drive Point Depth
0.250 inches
Nut Style
Round
Nut Diameter
5.500 inches
Nut Thickness
1.125 inches
Drive Point Width
0.440 inches
Undercut Thickness
0.935 inches
Drive Point Quantity
4
Thread Series
Unj
Thready Qty Per Inch (tpi)
12
Thread Size
4.250 inches
Material
Steel comp 4340
Material Specification
Mil-s-8844, class 1 military specification single material response or mil-s5000 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, class 1 federal specification single treatment response
NSN
5310-01-184-8861
Part Number
1881B42
Description
Nut,plain,round
CAGE
13002

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part 1881B42 NSN 5310-01-184-8861

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15887
FIIG:
A021A0
Concept No.:
1
App. Key:
AY
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:
LE
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.7000lbs
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:
Equipment for Aircraft

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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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