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Socket Head Cap Screw NSN 5305-01-045-9549

Item Description

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.

NSN 5305-01-045-9549 NSN: 5305-01-045-9549

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.631 inches and 0.697 inches
Fastener Length
Between 1.766 inches and 1.812 inches
Head Style
Flat countersunk
Head Diameter
Between 0.805 inches and 0.890 inches
Locking Feature
Patch threads or pellet threads or strip threads
Internal Drive Style
Cross recess type 1
End Application
Spec item
Thread Diameter
0.438 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Countersink Angle
100.0 degrees
Material
Steel comp 4037 or steel comp 8630
Material Specification
Ams 6300 assn standard 1st material response or mil-s-6050 military specification 2nd material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, cl 3 federal specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
010459549
NSN
5305010459549

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS21091-7018
Cage Code:
96906
Status:
A
MSDS:
Part Number:
LK21091-7016
Cage Code:
26304
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318152000
  • NAICS: 332722
  • SITC: 69421
  • Description: Bolts and bolts and their nuts or washers exported in the same shipment
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 5305-01-045-9549
What are the manufacturers of nsn 5305010459549?
Does this nsn 5305010459549 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305010459549
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.
Does nsn 5305010459549 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305010459549 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305010459549?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
App. Key:
SC
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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