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Close Tolerance Screw NSN 5305-01-043-8048

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 5305-01-043-8048 NSN: 5305-01-043-8048

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.323 inches and 0.370 inches
Fastener Length
Between 1.635 inches and 1.682 inches
Head Style
Pan
Head Diameter
Between 0.306 inches and 0.322 inches
Head Height
Between 0.105 inches and 0.115 inches
Hole Diameter
0.037 inches
Grip Diameter
Between 0.1610 inches and 0.1635 inches
Internal Drive Style
High-torque
Thread Diameter
0.164 inches
Grip Length
1.312 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
Surface Finish
63.0 microinches grip
Part Name Assigned By Controlling Agency
Navy special project
Material
Titanium alloy
Material Specification
Nas621 assn standard single material response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
010438048
NSN
5305010438048

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BM1009-08H21
Cage Code:
17446
Status:
A
MSDS:
Part Number:
T151-08D21
Cage Code:
17446
Status:
A
MSDS:
Part Number:
HT193LB-08H21
Cage Code:
73197
Status:
A
MSDS:
Part Number:
67077D-08-21
Cage Code:
80539
Status:
A
MSDS:
Part Number:
HT8009-08D21
Cage Code:
92215
Status:
A
MSDS:
Part Number:
GB511J08D21
Cage Code:
97928
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8109900000
  • NAICS: 331491
  • SITC: 69987
  • Description: Zirconium and articles thereof nesoi
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-01-043-8048
What are the manufacturers of nsn 5305010438048?
Does this nsn 5305010438048 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305010438048
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 5305010438048 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305010438048 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305010438048?
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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