Model: S-4271

Round Self-locking Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Drive Point Depth
0.062 inches
Nut Style
Round
Nut Diameter
Between 0.229 inches and 0.239 inches
Nut Thickness
0.375 inches
Drive Point Width
0.046 inches
Drive Point Quantity
2
Thread Series
Unc
Thready Qty Per Inch (tpi)
32
Thread Size
0.138 inches
Material
Copper alloy 230 except insert or copper alloy 240 except insert or copper alloy 260 except insert or copper alloy 268 except insert or copper alloy 342 except insert or copper alloy 353 except insert or copper alloy 360 except insert or copper alloy 377 except insert
Material
Plastic polyamide locking insert
Material Specification
Mil-p-17091, type 1 military specification 2nd material response locking insert
Material Specification
Qq-b-626 federal specification 1st material response except insert
NSN
5310-00-735-6800
Part Number
S-4271
Description
Nut,self-locking,round
CAGE
14438

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protusions, slots or splines in or on the periphery or in the face opposite the bearing surface. An integral feature is incorporated for locking on the threads of a mating member. Do not use if a more specific item name applies. Excludes collar, pin-rivet, threaded; insert, screw thread; nut (1), sleeve; nut(1), plain, cap; and turnbuckle body.

Part S-4271 NSN 5310-00-735-6800

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15895
FIIG:
A021A0
Concept No.:
1
App. Key:
CA
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:
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:
093460
UFC:
48930
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415290000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Copper screws, nuts, bolts, rivets, and other fasteners not threaded

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