Model: 15521977

Machine Bolt

Special Features:

24 serrations in locking head

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.658 inches and 0.750 inches
Fastener Length
Between 0.720 inches and 0.750 inches
Head Style
Hexagon extended washer
Head Height
Between 0.304 inches and 0.330 inches
Width Between Flats
Between 0.551 inches and 0.562 inches
Extended Washer Diameter
Between 0.771 inches and 0.793 inches
Extended Washer Thickness
Between 0.070 inches and 0.096 inches
Locking Feature
Locking teeth bearing surface of head
Thread Diameter
0.375 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
16
Hardness Rating
22.0 rockwell c and 35.0 rockwell c
Material
Steel comp 1018 or steel comp 1021 or steel comp 1022
Material Specification
Sae assn standard all material responses
Surface Treatment
Zinc
Surface Treatment Specification
Gm 4342-m, code20u32 fscm 11862 mfr ref single treatment response
Thread Series Designator
Unrc
NSN
5306-01-156-5435
Part Number
15521977
Description
Bolt,machine
CAGE
7X677

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

Part 15521977 NSN 5306-01-156-5435

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01847
FIIG:
A003B0
Concept No.:
App. Key:
BR
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:
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:
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:
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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