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Socket Head Cap Screw NSN 5305-01-325-1974

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 5305-01-325-1974 NSN: 5305-01-325-1974

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.889 inches and 2.000 inches
Fastener Length
2.000 inches
Head Style
Flat chamfer
Head Diameter
Between 0.457 inches and 0.469 inches
Head Height
Between 0.306 inches and 0.312 inches
Internal Drive Style
Hexagon
Thread Diameter
0.312 inches
Width Across Flats
0.250 inches
Thready Qty Per Inch (tpi)
18
Special Features
Furnished with self-locking optional type element on threads
Material
Plastic polyamide locking feature
Material Specification
Qq-n-286 cla federal specification single material response fastener
Thread Series Designator
Unc
Nondefinitive Specification/std Data
6 type
FSC
5305 Screws
NIIN
013251974
NSN
5305013251974

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5/16-18UNC-3A X 2.000 IN LG
Cage Code:
80204
Status:
A
MSDS:
Part Number:
FP-S-86
Cage Code:
81348
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7508900000
  • NAICS: 332999
  • SITC: 69975
  • Description: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-01-325-1974
What are the manufacturers of nsn 5305013251974?
Does this nsn 5305013251974 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013251974
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 5305013251974 contain any precious metals?
No precious metal content.
Does nsn 5305013251974 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013251974?
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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