Model: 3M891

Hexagon Castellated Plain Nut

Properties:

Thread Class
3b
Thread Pitch Diameters
+0.5264/+0.5308 inches
Thread Direction
Right-hand
Nut Style
Castellated, hexagon
Nut Height
Between 0.385 inches and 0.405 inches
Width Across Flats
Between 0.863 inches and 0.877 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
18
Thread Size
0.562 inches
Bearing Surface Type
Chamfered
Material
Stainless steel
Material Specification
Ams5731 assn standard all material responses or ams5732 assn standard all material responses
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification all treatment responses
NSN
5310-01-472-3474
Part Number
3M891
Description
Nut,plain,castellated,hexagon
CAGE
76301

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.

Part 3M891 NSN 5310-01-472-3474

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01854
FIIG:
A021A0
Concept No.:
1
App. Key:
AG
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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
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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