Model: EC12339207

Recessed And Stepped Stud

Special Features:

Nut end shoulder tapers 45 deg.Min and 60 deg.Max and 0.410 in.Long

Properties:

Thread Class
2a nut thread
Thread Class
2a stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
1.150 inches stud thread and 1.310 inches stud thread
Thread Length
0.850 inches nut thread and 0.910 inches nut thread
Overall Length
3.730 mils and 3.790 centimeters
End Application
Mrap - common nsn - used on mrap no permanent wsdc identified and 2 other weapon systems
Thready Qty Per Inch (tpi)
11 stud thread
Thready Qty Per Inch (tpi)
20 nut thread
Hardness Rating
Between 32.0 rockwell c and 38.0 rockwell c
Thread Size
0.500 inches nut thread
Thread Size
0.625 inches stud thread
Material
Steel comp 4140 or steel comp 8640
Material Specification
Astm a322 assn standard all material responses
Surface Treatment
Phosphate
Surface Treatment Specification
Gm 4435-m, code a fscm 34623 mfr ref single treatment response
Thread Series Designator
Unc stud thread
Thread Series Designator
Unf nut thread
NSN
5307-01-188-1229
Part Number
EC12339207
Description
Stud,recessed And Stepped
CAGE
34623

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends on which the nominal diameter of one threaded section is greater than the other. The unthreaded section must have more than one diameter, none of which may be larger than the maximum major diameter of the larger thread. It may be thread relieved. Excludes items with tapered threads.

Part EC12339207 NSN 5307-01-188-1229

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15943
FIIG:
A051A0
Concept No.:
App. Key:
C
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:
0.3000lbs
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: 8710000090
  • SITC: 89111
  • End Use: Military trucks, armored vehicles, etc.
  • NAICS: 336992
  • USDA: 1

Freight Class: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons

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