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5305-01-059-0223

Close Tolerance Screw

Find complete technical information, availability, and procurement data for NSN 5305-01-059-0223 All details are based on official government and industry records to support accurate and compliant procurement.

5305-01-059-0223
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-059-0223
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.

3.062 inches minimum and 3.094 inches maximum fastener length, 0.490 inches minimum and 0.542 inches maximum thread length, 3a thread class, right-hand thread direction, flat countersunk head style

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
0.490 inches minimum and 0.542 inches maximum
Fastener Length
3.062 inches minimum and 3.094 inches maximum
Head Style
flat countersunk
Head Diameter
0.929 inches minimum and 1.024 inches maximum
Grip Diameter
0.4982 inches minimum and 0.4991 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.500 inches
Grip Length
2.552 inches minimum and 2.572 inches maximum
Thread Quantity Per Inch
20
Minimum Tensile Strength
16000 pounds per square inch
Hardness Rating
36.0 rockwell c minimum and 40.0 rockwell c minimum overall
Countersink Angle
100.0 degrees nominal
Surface Finish
63.0 microinches grip
Material
steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,type 2,class 3 fed spec single treatment response overall
Thread Series Designator
unf
Specification/Standard Data
81205-bacb30ab manufacturers standard

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
BACB30AB-P8-45A 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
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
U - Precious metal content is unknown
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
KZ
National Motor Freight Classification Item Number
093486
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
48950
National Motor Freight Class Rating
W - Rating variable
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
bolts,nuts or screws, noi (sub 3)

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 5305-01-059-0223

What is the FSCG of the NSN 5305-01-059-0223?
The FSCG of the NSN 5305-01-059-0223 is 5305
Does the NSN 5305-01-059-0223 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-059-0223 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 5305-01-059-0223 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-059-0223 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 5305-01-059-0223 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Thu, Apr 6, 1978

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