Model: 57A0304

Internal Wrenching Bolt

Special Features:

0.5000 hardened to 35/40 rockwell c scale, thread hardened to 20/25 rockwell c scale

Properties:

Thread Class
3a
Thread Direction
Right-hand
Fastener Length
Between 0.415 inches and 0.425 inches
Head Diameter
Between 0.499 inches and 0.500 inches
Hole Diameter
0.109 inches
First Diameter From Head
0.480 inches
Second Diameter From Head
Between 0.4995 inches and 0.5000 inches
Third Diameter From Head
Between 0.552 inches and 0.572 inches
Fourth Diameter From Head
Between 0.430 inches and 0.440 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.156 inches and 0.219 inches
Internal Drive Style
Hexagon
Width Across Flats
Between 0.250 inches and 0.253 inches
Hole Quantity
6
Hole Type
Drilled
Hole Configuration Style
Hexagon longitudinal hole
Material
Steel
Material Specification
5-317, 5-876, fscm 71321 mfr ref single material response
Surface Treatment
Cadmium
Surface Treatment Specification
H-s5, fscm 24692 mfr ref single treatment response
Test Data Document
24692-ca304 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
NSN
5306-00-510-6334
Part Number
57A0304
Description
Bolt,internal Wrenching
CAGE
24692

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Part 57A0304 NSN 5306-00-510-6334

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06666
FIIG:
A003B0
Concept No.:
App. Key:
BM
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:
SX
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:
M
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:
573
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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