5305-01-004-4988

Find complete technical information, availability, and procurement data for: 5305-01-004-4988
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-004-4988

Item Name Code

16282

Assigment Date

06/10/1975 (51 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

3a thread class, 1.000 inches minimum thread length, flat chamfer head style, right-hand thread direction, 1.960 inches minimum and 2.000 inches maximum 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: 1.000 inches minimum
Fastener Length: 1.960 inches minimum and 2.000 inches maximum
Head Style: flat chamfer
Head Diameter: 0.365 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
Locking Feature: patch or pellet or strip threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.187 inches minimum and 0.190 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 155000 pounds per square inch
Special Features: finish color black
Material: plastic polyamide (nylon) locking feature
Material: steel fastener
Surface Treatment: cadmium and chromate fastener
Surface Treatment Document And Classification: qq-p-416,type 2 class 2 fed spec single treatment response fastener
Thread Series Designator: unrc
Specification/Standard Data: 80205-nas1352 professional/industrial association standard

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
LK1352-4LE32P	Socket Head Cap Screw
NAS1352-4LE32P	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-004-4988?

The FSCG of the NSN 5305-01-004-4988 is 5305

Does the NSN 5305-01-004-4988 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-004-4988 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 5305-01-004-4988 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-004-4988 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 5305-01-004-4988 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Tue, Jun 10, 1975