5305-01-054-6248

Find complete technical information, availability, and procurement data for: 5305-01-054-6248
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-054-6248

Item Name Code

29294

Assigment Date

01/23/1978 (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.

flat chamfer head style, 0.668 inches minimum and 0.698 inches maximum thread length, right-hand thread direction, 3a thread class, 2.058 inches nominal fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.668 inches minimum and 0.698 inches maximum
Fastener Length: 2.058 inches nominal
Head Style: flat chamfer
Head Diameter: 0.605 inches minimum and 0.625 inches maximum
Head Height: 0.112 inches minimum and 0.125 inches maximum
Grip Diameter: 0.4360 inches minimum and 0.4370 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.438 inches
Grip Length: 1.365 inches minimum and 1.385 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 220000 pounds per square inch
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Special Features: conical bearing surface of head 99.0 degree to 101.0 degree included angle 0.077 in. long
Material: steel comp h11 overall
Material Document And Classification: ams6487 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: nas672 assn std single treatment response overall
Thread Series Designator: unjf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
121754-7-22	Close Tolerance Screw
5305PL0759603	Close Tolerance Screw
5305PL1810526	Close Tolerance Screw
AIC9535-7-22	Close Tolerance Screw
C9535-7-22	Close Tolerance Screw
VT1696-7-22	Close Tolerance Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-054-6248?

The FSCG of the NSN 5305-01-054-6248 is 5305

Does the NSN 5305-01-054-6248 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-054-6248 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 5305-01-054-6248 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-054-6248 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 5305-01-054-6248 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Mon, Jan 23, 1978