Model: 437-3-12

Machine Screw

Special Features:

Head dye blue, fed. Standard 595 no. 15123

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.619 inches and 0.750 inches
Fastener Length
Between 0.719 inches and 0.750 inches
Head Style
Fillister
Head Diameter
Between 0.389 inches and 0.414 inches
Head Height
Between 0.161 inches and 0.170 inches
Hole Diameter
0.062 inches
Internal Drive Style
Slot
Thread Diameter
0.250 inches
Hole Quantity
1
Thready Qty Per Inch (tpi)
1/4-20
Screw Material
Steel comp 302 or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 316
Screw Material Specification
Aisi federal specification all material responses
Screw Surface Treatment
Passivate and paint
Screw Surface Treatment Specification
Q-p-35 federal specification 13th treatment response or mil-t-12879 military specification 2nd treatment response
Head Hole Configuration Style
Hexagon flats
Thread Series Designator
Unc
NSN
5305-00-702-5894
Part Number
437-3-12
Description
Screw,machine
CAGE
11599

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Part 437-3-12 NSN 5305-00-702-5894

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
Concept No.:
App. Key:
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:
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:
713
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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