ORDER BY PHONE (619) 331-9599      Contact Us      Request Quote
facebook
NationalStockNumber.org

Close Tolerance Screw NSN 5305-01-177-1806

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 5305-01-177-1806 NSN: 5305-01-177-1806

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.210 inches and 0.277 inches
Fastener Length
Between 0.470 inches and 0.517 inches
Head Style
Flat countersunk
Head Diameter
Between 0.376 inches and 0.385 inches
Grip Diameter
Between 0.1885 inches and 0.1895 inches
Internal Drive Style
High-torque
Thread Diameter
0.190 inches
Grip Length
Between 0.240 inches and 0.260 inches
Thready Qty Per Inch (tpi)
32
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Material
Steel
Material Specification
23-105, fscm 76301 mfr ref single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Mac p.S. 13145, fscm 76301 mfr ref single treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
011771806
NSN
5305011771806

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BM19031-3-4
Cage Code:
17446
Status:
A
MSDS:
Part Number:
HT309-3-4
Cage Code:
73197
Status:
A
MSDS:
Part Number:
HT8177-3-4
Cage Code:
92215
Status:
A
MSDS:
Part Number:
73991H-3-4
Cage Code:
80539
Status:
A
MSDS:
Part Number:
ST3M562-3-4
Cage Code:
76301
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 5305-01-177-1806
What are the manufacturers of nsn 5305011771806?
Does this nsn 5305011771806 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305011771806
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 5305011771806 contain any precious metals?
No precious metal content.
Does nsn 5305011771806 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305011771806?
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

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
ASA Aviation Suppliers Association Member Logo
NQA AS 9120 Suppliers Logo
ITAR Registered International Traffic in Arms Regulations Logo