Model: HF91-L-3-A2

Spline Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Pilot Diameter
Between 0.225 inches and 0.255 inches
Pilot Length
Between 0.084 inches and 0.114 inches
Lubrication
Dry film lubricant
Nut Style
Spline (floating)
Nut Length
Between 0.557 inches and 0.587 inches
Nut Height
0.394 inches
Width Across Flats
Between 0.375 inches and 0.405 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
32
Thread Size
0.190 inches
Material
Iron alloy 660 nut
Material
Steel comp 302 boss or steel comp 304 boss or steel comp 305 boss or steel comp 316 boss or steel comp 384 boss
Material
Steel comp 631 bracket
Material Specification
Ams 5528 assn standard single material response bracket
Material Specification
Ams 5525 assn standard single material response nut
Material Specification
Astm a493 assn standard all material responses boss
Surface Treatment
Cadmium boss and chromate boss
Surface Treatment
Cadmium bracket and chromate bracket
Surface Treatment
Passivate nut
Surface Treatment Specification
Qq-p-35 federal specification single treatment response nut
Surface Treatment Specification
Qq-p-416, ty2, cl2 federal specification single treatment response boss
Surface Treatment Specification
Qq-p-416, ty2, cl2 federal specification single treatment response bracket
NSN
5310-01-342-4961
Part Number
HF91-L-3-A2
Description
Nut,self-locking,spline
CAGE
17446

A nut having an externally splined sleeve, which holds it in position when forced into a hole of slightly smaller diameter. An integral feature is incorporated for locking.

Part HF91-L-3-A2 NSN 5310-01-342-4961

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

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:
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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