Model: F2552-02

Barrel Self-locking Nut

Special Features:

Rollpins carbon steel, -cadmium ; plate qq-p-416 type 2 class 3

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Style
Floating self-locking barrel
Nut Diameter
Between 0.398 inches and 0.402 inches
Nut Length
Between 0.360 inches and 0.390 inches
Barrel Height
Between 0.245 inches and 0.265 inches
Nut Height
Between 0.220 inches and 0.250 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
32
Hardness Rating
Between 31.0 rockwell c and 37.0 rockwell c
Thread Size
0.190 inches
Material
Aluminum alloy shell
Material
Plastic polyamide locking insert
Material
Steel comp 4130 nut
Material Specification
Aisi assn standard single material response nut
Surface Treatment
Chromate shell
Surface Treatment
Cadmium nut and chromate nut
Surface Treatment Specification
Mil-c-5541 military specification single treatment response shell
Surface Treatment Specification
Qq-p-416 type 2 class-3 federal specification single treatment response nut
NSN
5310-01-065-5945
Part Number
F2552-02
Description
Nut,self-locking,barrel
CAGE
56878

A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, round.

Part F2552-02 NSN 5310-01-065-5945

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15891
FIIG:
A021A0
Concept No.:
1
App. Key:
BH
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:
SX
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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