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Machine Screw NSN 5305-01-407-7254

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 5305-01-407-7254 NSN: 5305-01-407-7254

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.438 inches
Fastener Length
0.438 inches
Head Style
Flat countersunk
Head Diameter
Between 0.147 inches and 0.172 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
56
Countersink Angle
Between 80.0 degrees and 82.0 degrees
Screw Material
Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
Head Surface Treatment
Enamel
Screw Surface Treatment
Passivate
Head Surface Treatment Specification
Tt-e-527 federal specification single treatment response
Screw Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Special Features
M/f ms51959-6
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
014077254
NSN
5305014077254

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7581383P0006
Cage Code:
99971
Status:
A
MSDS:
Part Number:
7581383P6
Cage Code:
99971
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 5305-01-407-7254
What are the manufacturers of nsn 5305014077254?
Does this nsn 5305014077254 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305014077254
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 5305014077254 contain any precious metals?
No precious metal content.
Does nsn 5305014077254 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305014077254?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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