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Close Tolerance Screw NSN 5305-01-237-6771

Item Description

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

NSN 5305-01-237-6771 NSN: 5305-01-237-6771

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.380 inches and 0.447 inches
Fastener Length
Between 1.515 inches and 1.562 inches
Head Style
Flat countersunk
Head Diameter
Between 0.376 inches and 0.381 inches
Grip Diameter
Between 0.1885 inches and 0.1895 inches
Internal Drive Style
High-torque
Thread Diameter
0.190 inches
Grip Length
Between 1.115 inches and 1.135 inches
Thready Qty Per Inch (tpi)
32
Countersink Angle
100.0 degrees
Special Features
Furnished with o-ring
Material
Steel
Material Specification
3-48 cage 76301 mfr ref single material response
Surface Treatment
Cadmium
Surface Treatment Specification
3-48 cage 76301 mfr ref single treatment response
Thread Series Designator
Unjf
FSC
5305 Screws
NIIN
012376771
NSN
5305012376771

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
54266-3-1
Cage Code:
56878
Status:
A
MSDS:
Part Number:
HT4UA-CA-3-18
Cage Code:
73197
Status:
A
MSDS:
Part Number:
3M46-3-18
Cage Code:
76301
Status:
A
MSDS:
Part Number:
HT408A-3-18
Cage Code:
06950
Status:
A
MSDS:
Part Number:
HTS467-3-18
Cage Code:
17446
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 5305-01-237-6771
What are the manufacturers of nsn 5305012376771?
Does this nsn 5305012376771 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012376771
A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. the head is designed to be held or driven with an inserted driver. it is not designed for rotation by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads.
Does nsn 5305012376771 contain any precious metals?
No precious metal content.
Does nsn 5305012376771 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012376771?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
29294
FIIG:
A003B0
App. Key:
SS
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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