Model: HF91-L-12-E-1

Spline Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Pilot Diameter
0.300 inches
Pilot Length
0.223 inches
Lubrication
Dry film lubricant
Nut Style
Spline (floating)
Nut Length
Between 0.635 inches and 0.665 inches
Nut Height
Between 0.278 inches and 0.328 inches
Width Across Flats
0.450 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Steel comp 302 flange or steel comp 304 flange or steel comp 305 flange or steel comp 316 flange or steel comp 384 flange
Material Specification
Astm-a-493 assn standard 1st material response flange or astm-a-493 assn standard 2nd material response flange or astm-a-493 assn standard 3rd material response flange or astm-a-493 assn standard 4th material response flange or astm-a-493 assn standard 5th material response flange
Surface Treatment
Cadmium flange and chromate flange
Surface Treatment Specification
Qq-p-416, ty2, cl2 federal specification single treatment response flange
NSN
5310-01-450-9830
Part Number
HF91-L-12-E-1
Description
Nut,self-locking,spline
CAGE
0HDW7

Part HF91-L-12-E-1 NSN 5310-01-450-9830

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15893
FIIG:
A021A0
Concept No.:
1
App. Key:
CE
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:
BA
CRITL:
X

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