Model: 312-18UNC-3AX2.5

Setscrew

Properties:

Thread Class
3a
Thread Direction
Right-hand
Fastener Length
2.500 inches
Head Style
Headless (setscrew)
Locking Feature
Patch threads or pellet threads or strip threads
Point Style
Oval
Internal Drive Style
Hexagon
Thread Diameter
0.312 inches
Width Across Flats
0.156 inches
Thready Qty Per Inch (tpi)
18
Material
Nickel alloy r-405 fastener
Material
Plastic polyamide locking feature
Material Specification
Qq-n-281 federal specification single material response fastener
Thread Series Designator
Unc
NSN
5305-01-444-5596
Part Number
312-18UNC-3AX2.5
Description
Setscrew
CAGE
96169

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part 312-18UNC-3AX2.5 NSN 5305-01-444-5596

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06672
FIIG:
A003B0
Concept No.:
App. Key:
SQ
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: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

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