Model: 591321

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Style
Hexagon
Nut Height
Between 0.535 inches and 0.765 inches
Width Across Flats
Between 0.922 inches and 0.939 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unc
Thready Qty Per Inch (tpi)
11
Thread Size
0.625 inches
Bearing Surface Type
Chamfered
Material
Plastic polyamide locking insert
Material
Steel nut
Surface Treatment
Phosphate nut
Surface Treatment Specification
Dod-p-16232, type z, class 2 military specification single treatment response nut
NSN
5310-01-215-7311
Part Number
591321
Description
Nut,self-locking,hexagon
CAGE
21450

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part 591321 NSN 5310-01-215-7311

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05277
FIIG:
A021A0
Concept No.:
1
App. Key:
BK
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:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
156600
UFC:
77670
LTL:
RATING VARIABLE
LCL:
--
WCC:
772
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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