Model: MIL-S-4149-1

Welding Stud

Special Features:

Flux furnished, also with ferrule

Properties:

Thread Class
2a nut thread
Thread Direction
Right-hand nut thread
Thread Length
1.610 inches nut thread and 1.640 inches nut thread
Thread Length
1.610 inches and 1.640 inches nut thread
Unthreaded End Diameter
Between 0.382 inches and 0.392 inches
Unthreaded End Length
Between 0.500 inches and 0.520 inches
Length Excluding Fluxed Welding Tip
Between 2.094 inches and 2.156 inches
Features Provided
Heat shield
Thready Qty Per Inch (tpi)
14 nut thread
Thread Size
0.438 inches nut thread
Part Name Assigned By Controlling Agency
Stud, welding
Material
Steel
Style Designator
Welding
Thread Series Designator
Unc nut thread
Nondefinitive Specification/std Data
2 type and 1 class
NSN
5307-00-265-9156
Part Number
MIL-S-4149-1
Description
Stud,welding
CAGE
81349

A headed or headless fastener externally or internally threaded. It is intended for fastening by welding the head, unthreaded end or welding tip. If headed, the head is not designed to be self-holding, nor to be turned with a wrench or inserted driver, nor does the head have small raised projections on the top or underside to facilitate welding. See also bolt, welding.

Part MIL-S-4149-1 NSN 5307-00-265-9156

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16944
FIIG:
A051A0
Concept No.:
App. Key:
F
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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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: 7318155000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Studs of iron or steel, threaded

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