Model: NAS1727-4D

Single Ball Sea Self-locking Nut

Special Features:

L0.348 in. Min and 0.354 in. Max washer id, 0.505 in. Min and 0.515 in. Max washer od, 0.113 in. Min and 0.123 in. Max washer thickness, 0.067 in. Nom shoulder height, 0.300 in. Min and 0.310 in. Max spherical radius

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Lubrication
Dry film lubricant
Nut Style
Single ball seat, double hexagon
Ball Seat Radius
Between 0.300 inches and 0.305 inches
Nut Height
Between 0.330 inches and 0.340 inches
Width Across Flats
Between 0.305 inches and 0.313 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Hardness Rating
Between 36.0 rockwell c and 40.0 rockwell c
Thread Size
0.250 inches
Material
Steel comp 4340 or steel comp 8740
Material Specification
Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification 15th treatment response
NSN
5310-01-107-4377
Part Number
NAS1727-4D
Description
Nut,self-locking,single Ball Sea
CAGE
80205

A nut having one convex, spherical bearing surface, with 12 drive points, 24 sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member.

Part NAS1727-4D NSN 5310-01-107-4377

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
33115
FIIG:
A021A0
Concept No.:
1
App. Key:
CB
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:
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:
Q

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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