Model: 3M881V4-12

Assembled Washer Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.400 inches and 0.450 inches
Fastener Length
Between 1.160 inches and 1.190 inches
Head Style
Hexagon
Head Height
Between 0.125 inches and 0.140 inches
Width Between Flats
Between 0.430 inches and 0.439 inches
Washer Quantity
1
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
160000 pounds per square inch
Primary Washer Outside Diameter
Between 0.495 inches and 0.520 inches
Primary Washer Style
Flat
Primary Washer Material Thickness
Between 0.028 inches and 0.036 inches
Material
Aluminum alloy 2024 primary washer
Material
Titanium alloy fastener
Material Specification
Nas 621 assn standard single material response fastener
Material Specification
Qq-a-250/5, t3 or t4 federal specification single material response primary washer
Surface Treatment
Anodize primary washer or chromate primary washer
Surface Treatment Specification
Mil-c-5541 military specification 2nd treatment response primary washer
Thread Series Designator
Unjf
NSN
5306-01-143-1748
Part Number
3M881V4-12
Description
Bolt,assembled Washer
CAGE

A bolt, machine on which has been assembled one or more nonremovable washers. See also screw, assembled washer.

Part 3M881V4-12 NSN 5306-01-143-1748

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06659
FIIG:
A003B0
Concept No.:
App. Key:
BA
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:
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:
013280
UFC:
05450
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8109900000
  • SITC: 69987
  • End Use: Finished metal shapes
  • NAICS: 331491
  • USDA: 1

Freight Class: Zirconium and articles thereof nesoi

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