Model: FRB7500P-12-D-4

Panel Screw Assembly

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.312 inches and 0.317 inches
Fastener Length
0.525 inches
Head Style
Knurled no. 4
Head Diameter
0.531 inches
Head Height
0.530 inches
Internal Drive Style
Cross recess type 1
Material Accommodated Thickness
Between 0.156 inches and 0.217 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Material
Aluminum alloy 6061 head
Material
Aluminum alloy 6061 stand-off
Material
Steel comp 301 primary washer
Material
Steel comp 301 secondary washer
Material
Steel comp 302 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener or steel comp 321 fastener or steel comp 347 fastener or steel comp 384 fastener or steel comp 385 fastener
Material
Steel comp 302 spring
Material Specification
Astm a580 assn standard single material response spring
Material Specification
Astm a493 assn standard single material response fastener
Material Specification
Mil-s-5059 military specification single material response primary washer
Material Specification
Mil-s-5059 military specification single material response secondary washer
Material Specification
Qq-a-225/8 federal specification single material response head
Material Specification
Qq-a-225/8 federal specification single material response stand-off
Surface Treatment
Anodize head
Surface Treatment
Anodize stand-off
Surface Treatment
Passivate fastener
Surface Treatment
Passivate primary washer
Surface Treatment
Passivate secondary washer
Surface Treatment
Passivate spring
Surface Treatment Specification
Mil-a-8625 type 1 cl 1 military specification single treatment response head
Surface Treatment Specification
Mil-a-8625 type 1 cl 1 military specification single treatment response stand-off
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Surface Treatment Specification
Qq-p-35 federal specification single treatment response primary washer
Surface Treatment Specification
Qq-p-35 federal specification single treatment response secondary washer
Surface Treatment Specification
Qq-p-35 federal specification single treatment response spring
Thread Series Designator
Unf
NSN
5305-01-298-7339
Part Number
FRB7500P-12-D-4
Description
Screw Assembly,panel
CAGE
11139

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

Part FRB7500P-12-D-4 NSN 5305-01-298-7339

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
33044
FIIG:
A003B0
Concept No.:
App. Key:
SU
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
013680
UFC:
05760
LTL:
70.0
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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