Model: 271178

Assembled Washe Self-locking Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Washer Outside Diameter
Between 0.494 inches and 0.506 inches
Overall Height
0.270 inches
Nut Style
External tooth
Nut Height
Between 0.212 inches and 0.226 inches
Width Across Flats
Between 0.428 inches and 0.438 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
20
Thread Size
0.250 inches
Material
Steel
Surface Treatment
Zinc
NSN
5310-01-407-7198
Part Number
271178
Description
Nut,self-locking,assembled Washe
CAGE
34623

A nut on which has been assembled a nonremovable washer. An integral feature is incorporated for locking on the threads of a mating member.

Part 271178 NSN 5310-01-407-7198

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29736
FIIG:
A021A0
Concept No.:
1
App. Key:
BG
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:
--
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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