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Shoulder Bolt

Model A51B21565-13

Quick Information about A51B21565-13

3a thread class, steel comp d6ac overall material, cadmium overall surface treatment, unjf thread series designator.

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Product Details

  • NSN:
    5306-00-003-3863 (5306000033863)
  • Thread Direction:
    Right-hand
  • Thread Length:
    Between 0.500 inches and 0.510 inches
  • Fastener Length:
    4.500 inches
  • Head Style:
    Hexagon
  • Head Height:
    0.350 inches
  • Width Flats:
    Between 0.928 inches and 0.940 inches
  • Shoulder Diameter:
    0.6230 inches first shoulder and 0.6240 inches first shoulder
  • Shoulder Length:
    3.890 inches first shoulder and 3.900 inches first shoulder
  • Shank Diameter:
    0.101 inches first hole and 0.111 inches first hole
  • Thread Diameter:
    0.500 inches
  • Thready (tpi):
    20
  • Min. (psi):
    220000 pounds per square inch
  • Hardness Rating:
    46.0 rockwell c and 49.0 rockwell c
  • Distance Center:
    4.300 inches first hole
  • Shoulder Shape:
    Round first shoulder
  • Material Specification:
    Mil-s-8649 military specification single material response
  • Surface Specification:
    Mil-s-8837, type 2, class 1 military specification single treatment response
  • Test Document:
    81349-mil-i-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
  • Schedule B Code:
    7318152000

Classification

Bolts and bolts and their nuts or washers exported in the same shipment

Definition Shoulder Bolt

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04905
FIIG:
A003B0
Concept No.:
App. Key:
BY
Cond. Code:
1
Status:
A

Part Materials

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:
0.4000lbs
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

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