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Machine Screw NSN 5305-00-484-2437

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 5305-00-484-2437 NSN: 5305-00-484-2437

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.250 inches
Fastener Length
0.375 inches
Head Style
Square
Head Height
Between 0.094 inches and 0.125 inches
Width Between Flats
Between 0.234 inches and 0.250 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.164 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
60000 pounds per square inch
Hardness Rating
Between 70.0 rockwell b and 100.0 rockwell b
Screw Material
Steel
Screw Material Specification
Sae j429, grade 1 assn standard single material response or astm a307 assn standard single material response
Screw Surface Treatment
Chromate
Screw Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification all treatment responses
Thread Series Designator
Unc
Specification Data
81348-ff-b-575 government specification
Nondefinitive Specification/std Data
1 type and 8-32unc size and 3/8in. Length
Departure From Cited Document
As modified by cross recessed head internal wrenching
FSC
5305 Screws
NIIN
004842437
NSN
5305004842437

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FF-B-575
Cage Code:
81348
Status:
A
MSDS:
Part Number:
Z114 013833
Cage Code:
35510
Status:
A
MSDS:
Part Number:
13833
Cage Code:
35510
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 5305-00-484-2437
What are the manufacturers of nsn 5305004842437?
Does this nsn 5305004842437 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305004842437
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 5305004842437 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305004842437 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305004842437?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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