Model: 12387306-8

Shoulder Screw

Special Features:

Head plain or knurled is acceptable; see sheet 2 of nasm51975

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.413 inches and 0.438 inches
Fastener Length
1.063 inches
Head Style
Knurled no. 1
Head Diameter
Between 0.419 inches and 0.438 inches
Head Height
Between 0.209 inches and 0.219 inches
Shoulder Diameter
0.308 inches all shoulders and 0.310 inches all shoulders
Shoulder Length
0.625 inches all shoulders
Shoulder Width Across Flats
0.093 inches all shoulders
Single Shear Strength
840000 pounds per square inch
Internal Drive Style
Hexagon
Thread Diameter
0.312 inches
Width Across Flats
0.156 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
140000 pounds per square inch
Shoulder Shape
Round all shoulders
Color
Bronze or olive drab
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, typeii, class2 federal specification 1st treatment response
Thread Series Designator
Unc
NSN
5305-01-472-7167
Part Number
12387306-8
Description
Screw,shoulder
CAGE
19207

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes bolt, internal wrenching and screw, cap, socket head.

Part 12387306-8 NSN 5305-01-472-7167

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22846
FIIG:
A003B0
Concept No.:
App. Key:
SL
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:
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: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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