Model: S987DC4-8

Plate Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Counterbore Diameter
0.254 inches nut
Lubrication
Dry film lubricant
Mounting Hole Diameter
Between 0.098 inches and 0.103 inches
Nut Style
Plate
Nut Length
0.791 inches
Nut Height
0.710 inches
Plate Thickness
0.125 inches
Plate Width
0.500 inches
Nut Counterbore Depth
0.500 inches nut and 0.505 inches nut
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
Between 0.276 inches and 0.286 inches
Center To Center Distance Between Mounting Holes Along Length
Between 0.560 inches and 0.564 inches
Thread Series
Unf
Features Provided
Floating nut
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Steel comp 1010 bracket
Material
Steel comp 1050 shell
Material
Steel comp 4130 nut
Material Specification
Aisi assn standard single material response bracket
Material Specification
Aisi assn standard single material response shell
Material Specification
Sae assn standard single material response nut
Surface Treatment
Cadmium bracket and chromate bracket
Surface Treatment
Cadmium nut
Surface Treatment
Cadmium shell and chromate shell
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response nut
Surface Treatment Specification
Qq-p-416, type 2 federal specification single treatment response bracket
Surface Treatment Specification
Qq-p-416, type 2 federal specification single treatment response shell
NSN
5310-00-494-1771
Part Number
S987DC4-8
Description
Nut,self-locking,plate
CAGE
26512

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

Part S987DC4-8 NSN 5310-00-494-1771

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05280
FIIG:
A021A0
Concept No.:
1
App. Key:
BZ
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:
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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