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Socket Head Cap Screw NSN 5305-01-493-3931

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

NSN 5305-01-493-3931 NSN: 5305-01-493-3931

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.880 inches
Fastener Length
0.880 inches
Head Style
Flat chamfer
Head Diameter
Between 0.365 inches and 0.375 inches
Head Height
Between 0.244 inches and 0.250 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
0.188 inches
Thready Qty Per Inch (tpi)
20
Special Features
Non-coating; non-selflocking
Material
Steel comp 304
Material Specification
Mil-s-1222 military specification single material response
Thread Series Designator
Unc
Nondefinitive Specification/std Data
2 type and 304 grade
FSC
5305 Screws
NIIN
014933931
NSN
5305014933931

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
0.25020UNC3A0.880T2G304SEA
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MIL-DTL-1222
Cage Code:
81349
Status:
A
MSDS:
Part Number:
386B049316
Cage Code:
90099
Status:
A
MSDS:
Part Number:
MIL-S-1222
Cage Code:
81349
Status:
A
MSDS:
Part Number:
M1222SN4C314SANN
Cage Code:
81349
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 5305-01-493-3931
What are the manufacturers of nsn 5305014933931?
Does this nsn 5305014933931 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305014933931
An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.
Does nsn 5305014933931 contain any precious metals?
No precious metal content.
Does nsn 5305014933931 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305014933931?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
App. Key:
SC
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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