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Shoulder Screw NSN 5305-01-055-1949

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 5305-01-055-1949 NSN: 5305-01-055-1949

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.315 inches and 0.325 inches
Fastener Length
0.594 inches
Head Style
Pan no. 2
Head Diameter
0.430 inches
Head Height
0.156 inches
Shoulder Diameter
0.208 inches first shoulder and 0.218 inches first shoulder
Shoulder Length
0.164 inches first shoulder and 0.174 inches first shoulder
Shank Unthreaded Hole Diameter
0.045 inches first hole and 0.050 inches first hole
Internal Drive Style
Slot
Thread Diameter
0.164 inches
Thready Qty Per Inch (tpi)
32
Distance From Head Largest Bearing Surface To Shank Hole Center
0.058 inches first hole and 0.068 inches first hole
Shoulder Shape
Round first shoulder
Material
Steel comp 316
Material Specification
Mil-s-7720 military specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
010551949
NSN
5305010551949

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
276-3304-101
Cage Code:
92003
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 5305-01-055-1949
What are the manufacturers of nsn 5305010551949?
Does this nsn 5305010551949 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305010551949
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 5305010551949 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305010551949 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305010551949?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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