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Machine Screw NSN 5305-01-531-0538

Item Description

An externally threaded fastener whose threaded portion is of one nominal 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 5305-01-531-0538 NSN: 5305-01-531-0538

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.525 inches
Fastener Length
0.625 inches
Head Style
Flat countersunk
Head Diameter
0.319 inches
Internal Drive Style
Cross recess type iii
End Application
4940-01-471-6396 patriot missle
Thread Diameter
0.147 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
1 pounds per square inch
Countersink Angle
81.0 degrees
Part Name Assigned By Controlling Agency
Unc-2a, corrosion resistant steel, cross-recessed, 82 degree flat countersunk head machine screw
Screw Material
Steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 316 or steel comp 316l or steel comp 384 or steel comp xm-7
Screw Surface Treatment
Passivate
Special Features
Driver size 2
Color
Natural
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
015310538
NSN
5305015310538

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NASM51959-46
Cage Code:
80205
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 5305-01-531-0538
What are the manufacturers of nsn 5305015310538?
Does this nsn 5305015310538 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305015310538
An externally threaded fastener whose threaded portion is of one nominal 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.
Does nsn 5305015310538 contain any precious metals?
No precious metal content.
Does nsn 5305015310538 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305015310538?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
App. Key:
Cond. Code:
1
Status:
A

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