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Shoulder Screw NSN 5305-00-331-4851

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 5305-00-331-4851 NSN: 5305-00-331-4851

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.443 inches and 0.510 inches
Fastener Length
Between 0.828 inches and 0.875 inches
Head Style
Flat countersunk undercut
Head Diameter
Between 0.501 inches and 0.506 inches
Head Height
Between 0.0652 inches and 0.0672 inches
Shoulder Diameter
0.2641 inches first shoulder and 0.2651 inches first shoulder
Shoulder Length
0.264 inches first shoulder and 0.286 inches first shoulder
Internal Drive Style
High-torque
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Countersink Angle
100.0 degrees
Shoulder Shape
Round first shoulder
Special Features
Furnished with one rubber o ring
Material
Steel comp 4140 or steel comp 4340 or steel comp 8740 or steel comp 8735 or steel comp 4130
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6049 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6758 military specification 5th material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
003314851
NSN
5305003314851

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3M50-4-6
Cage Code:
76301
Status:
A
MSDS:
Part Number:
54267-4-6
Cage Code:
56878
Status:
A
MSDS:
Part Number:
HT41UA6
Cage Code:
73197
Status:
A
MSDS:
Part Number:
HT409A4-6
Cage Code:
06950
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 5305-00-331-4851
What are the manufacturers of nsn 5305003314851?
Does this nsn 5305003314851 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305003314851
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 5305003314851 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305003314851 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305003314851?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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