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Machine Screw

NSN: 5305-00-721-3059 | Model: NAS498

An externally threaded fastener whose threaded portion is of one diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

NSN Properties and Flags
NATO Stock Number
5305-00-721-3059
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.276 inches
Fastener Length
1.151 inches
Head Style
Flat countersunk
Head Diameter
Between 0.376 inches and 0.385 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
Between 36.0 rockwell c and 40.0 rockwell c
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Screw Material
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Screw Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
Screw Surface Treatment
Cadmium
Thread Series Designator
Unf
Specification Data
80205-nas1203 professional/industrial association standard

Pricing and Availability

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NSN 5305-00-721-3059 Datasheet

Supply Class (FSC):
Screws
Cross Reference:
  • NAS498
  • NAS1203-14
Cage Codes:
  • National Aerospace Standards (CAGE 80205)
Schedule B & Trade:
  • Schedule B: 7318152000 (NAICS 332722)

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

  • SITC: 69421

    Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel

  • End Use: 12110

    Iron and steel products, other

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 5305-00-721-3059 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
National Aeronautics and Space Administration, Lithuania, Romania, Spain, Israel, Singapore, Malaysia, Australia, Canada, New Zealand, Germany, Republic Of Korea, Netherlands, Italy, Greece, and Turkey
What is the NIIN of NSN 5305-00-721-3059?
007213059 or 00-721-3059
Does NSN 5305-00-721-3059 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5305-00-721-3059?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963