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Shoulder Screw NSN 5305-00-637-7340

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes bolt, internal wrenching and screw, cap, socket head.

NSN 5305-00-637-7340 NSN: 5305-00-637-7340

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Features and Characteristics

Thread Direction
Right-hand
Thread Length
Between 0.621 inches and 0.629 inches
Fastener Length
1.625 inches
Head Style
Flat chamfer
Head Diameter
0.750 inches
Head Height
0.312 inches
Shoulder Diameter
0.500 inches first shoulder
Shoulder Length
0.996 inches and 1.004 inches first shoulder
Internal Drive Style
Hexagon
Thread Diameter
0.375 inches
Width Across Flats
0.250 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
92.0 rockwell b and 98.0 rockwell b
Shoulder Shape
Round first shoulder
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
Material Specification
Mil-s-18056 military specification single material response
Surface Treatment
Cadmium
Thread Series Designator
Whitworth
FSC
5305 Screws
NIIN
006377340
NSN
5305006377340

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
29-20130-1
Cage Code:
80020
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 5305-00-637-7340
What are the manufacturers of nsn 5305006377340?
Does this nsn 5305006377340 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006377340
An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. it has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. the head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. no. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. a locking feature may be incorporated in the design of the head or threads. for items which are both shouldered and have an externally relieved body, use screw, externally relieved body. for items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. excludes bolt, internal wrenching and screw, cap, socket head.
Does nsn 5305006377340 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305006377340 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006377340?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22846
FIIG:
A003B0
App. Key:
SL
Cond. Code:
1
Status:
A

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