Model: BACS12FA3K8GA

Machine Screw

Special Features:

The top of the screw head shall be coated with a thermosetting epoxy material. The epoxy is lusterless gray in color. The epoxy is per document d-14080.

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.47 inches and 0.50 inches
Fastener Length
Between 0.47 inches and 0.50 inches
Head Style
Round extended washer
Head Diameter
Between 0.365 inches and 0.385 inches
Head Height
Between 0.089 inches and 0.099 inches
Extended Washer Diameter
Between 0.428 inches and 0.448 inches
Extended Washer Thickness
Between 0.025 inches and 0.030 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.1900 inches
Thready Qty Per Inch (tpi)
32
Screw Material
Titanium alloy uns r56400
Screw Material Specification
Ams 4928 assn standard single material response or ams 4967 assn standard single material response
Bearing Surface Of Head Surface Treatment
Aluminum
Head Surface Treatment
Aluminum
Screw Surface Treatment
Aluminum
Shank Surface Treatment
Aluminum
Bearing Surface Of Head Surface Treatment Specification
Bms10-85, type 1, class a mfr ref single treatment response
Head Surface Treatment Specification
Bms10-85, type 1, class a mfr ref single treatment response
Screw Surface Treatment Specification
Bms10-85, type 1, class a mfr ref single treatment response
Shank Surface Treatment Specification
Bms10-85, type 1, class a mfr ref single treatment response
Thread Series Designator
Unjf
NSN
5305-01-611-7878
Part Number
BACS12FA3K8GA
Description
Screw,machine
CAGE
81205

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 BACS12FA3K8GA NSN 5305-01-611-7878

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8108908000
  • SITC: 69985
  • End Use: Nonferrous metals, other
  • NAICS: 331491
  • USDA: 1

Freight Class: Other wrought titanium, nesoi

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