Model: 2913321

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.851 inches and 1.016 inches
Fastener Length
Between 1.210 inches and 1.250 inches
Head Style
Flat countersunk
Head Diameter
Between 0.720 inches and 0.781 inches
Locking Feature
Patch threads or strip threads
Internal Drive Style
Hexagon
Thread Diameter
0.375 inches
Width Across Flats
0.219 inches
Thready Qty Per Inch (tpi)
16
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c fastener and 45.0 rockwell c fastener
Countersink Angle
Between 80.0 degrees and 84.0 degrees
Material
Plastic polyamide locking feature
Material
Steel fastener
Material Specification
66 federal standard single material response fastener
Surface Treatment
Cadmium fastener and chromate fastener
Surface Treatment Specification
Qq-p-416 type 2m cl 3 federal specification single treatment response fastener
Thread Series Designator
Unc
Nondefinitive Specification/std Data
4 type
NSN
5305-01-321-3565
Part Number
2913321
Description
Screw,cap,socket Head
CAGE
34351

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 2913321 NSN 5305-01-321-3565

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
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:
156600
UFC:
77670
LTL:
RATING VARIABLE
LCL:
--
WCC:
772
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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