Model: 1881-125

Round Plain Nut

Special Features:

Holes located 3 each side of one drive point, 30.0 degrees from c of point to c of first hole, 15.0 degrees c to c ofeach hole

Properties:

Thread Class
3b
Thread Direction
Right-hand
Drive Point Depth
0.180 inches
Nut Style
Round
Nut Diameter
4.438 inches
Nut Thickness
0.688 inches
Drive Point Width
0.440 inches
Drive Point Quantity
2
Hole Type And Quantity
6 tapped
Thread Series
Unj
Thready Qty Per Inch (tpi)
16
Thread Size
3.500 inches
Hole Thready Qty Per Inch (tpi)
32
Hole Configuration Style
Configuration f
Hole Thread Diameter
0.190 inches
Material
Steel
Material Specification
Mil-s-8844, cl 3, 300m military specification single material response
Surface Treatment
Cadmium titanium
Surface Treatment
Enamel except threads and primer except threads
Surface Treatment Specification
Cpc8225, 13002 mfr ref single treatment response
Surface Treatment Specification
Fed-std-593 federal standard 1st treatment response except threads and mil-p-23377 military specification 2nd treatment response except threads
NSN
5310-01-178-3320
Part Number
1881-125
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 1881-125 NSN 5310-01-178-3320

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:
--
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:
713
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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