Model: 157D3913

Mechanical Stop

Special Features:

Matl is astm-a322 hot rolled or astm-a331, cold finished, 4130, 4140, or 4142 or 172a1659, heat treatment mil-h-6875, quenched & tempered to 33-38 rockwell 'c'; item has 3 holes, 2 having diameter 0.225 in. Porm 0.007 in. & cbored 0.440 in. Porm 0.020 in. Fs, these holes have a c to c dist of 0.755 in., the 3rd hole has diameter of 0.385 in. Porm 0.002 in.

Properties:

Overall Width
Between 0.220 inches and 0.240 inches
End Application
7.62mm armament subsy
Design Type
Straight
Material
Steel
Surface Treatment
Phosphate
NSN
5340-01-337-2831
Part Number
157D3913
Description
Stop,mechanical
CAGE
05606

An item designed to restrict the movement of a rotary mechanism, linear mechanism or its components. It protects a mechanism from loss of adjustment or damage due to extreme movement. It may be wedge shaped with a threaded shank projecting from the apex or it may be round or rectangular in cross section, with mounting holes or slots, and is usually longer than its width. Excludes key, machine, and bumper (as modified).

Part 157D3913 NSN 5340-01-337-2831

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
40270
FIIG:
A536N0
Concept No.:
App. Key:
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
GG
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:
095190
UFC:
49790
LTL:
70.0
LCL:
70.0
WCC:
713
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8803300060
  • SITC: 79295
  • End Use: Parts for military-type goods
  • NAICS: 336413
  • USDA: 1

Freight Class: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)

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