Model: 76676-428

Assembled Washe Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Washer Outside Diameter
0.560 inches
Counterbore Diameter
0.294 inches nut and 0.304 inches nut
Overall Height
0.410 inches
Nut Style
Flat with turned back edge
Nut Height
0.238 inches
Nut Counterbore Depth
0.172 inches nut
Width Across Flats
Between 0.430 inches and 0.439 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Plastic polyamide locking insert
Material
Steel nut
Material
Steel washer
Surface Treatment
Cadmium except insert
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response except insert
NSN
5310-00-151-5486
Part Number
76676-428
Description
Nut,self-locking,assembled Washe
CAGE
56878

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 76676-428 NSN 5310-00-151-5486

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:
U
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:

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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