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5305-01-059-0228

Close Tolerance Screw

Find complete technical information, availability, and procurement data for NSN 5305-01-059-0228 All details are based on official government and industry records to support accurate and compliant procurement.

5305-01-059-0228
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-059-0228
Item Name Code
29294
Assigment Date
04/06/1978 (48 years ago)

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.

right-hand thread direction, 3a thread class, 0.735 inches minimum and 0.802 inches maximum thread length, flat countersunk head style, 6.120 inches minimum and 6.167 inches maximum fastener length

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.735 inches minimum and 0.802 inches maximum
Fastener Length
6.120 inches minimum and 6.167 inches maximum
Head Style
flat countersunk
Head Diameter
0.950 inches minimum and 1.017 inches maximum
Grip Diameter
0.4982 inches minimum and 0.4991 inches maximum
Internal Drive Style
high-torque
Nominal Thread Diameter
0.500 inches
Grip Length
5.365 inches minimum and 5.385 inches maximum
Thread Quantity Per Inch
20
Hardness Rating
46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Countersink Angle
100.0 degrees nominal
Surface Finish
32.0 microinches grip
Part Name Assigned By Controlling Agency
navy special project
Material
steel comp h11 overall
Material Document And Classification
ams 6487 assn std single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
mil-c-8837 ty 2 cl 2 mil spec single treatment response overall
Thread Series Designator
unjf

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number Name
106706H-8-86 Close Tolerance Screw
GB510BC8-86 Close Tolerance Screw
GB510CE8-86 Close Tolerance Screw
GB510FD8-86 Close Tolerance Screw
H148-8-86 Close Tolerance Screw
HT171-8-86 Close Tolerance Screw

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
1 - Full descriptive item identification
Automatic Data Processing Point
0 - Represents items with no adp components
Demilitarization
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A003B0
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0029294
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
7318152000

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
GX
National Motor Freight Classification Item Number
096640
National Motor Freight Classification Sub-Item Number
X
Uniform Freight Classification Item Number
50600
National Motor Freight Class Rating
Q - 70.0
Water Commodity
713 - Metal hardware
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
BZ -
National Motor Freight Description
screws, iron or steel

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 5305-01-059-0228

What is the FSCG of the NSN 5305-01-059-0228?
The FSCG of the NSN 5305-01-059-0228 is 5305
Does the NSN 5305-01-059-0228 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-059-0228 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-01-059-0228 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-059-0228 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-01-059-0228 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Thu, Apr 6, 1978

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