2603978-17

View detailed technical data, stock status, and sourcing information for: 2603978-17
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-182-9459

Item Name Code

06657

Assigment Date

05/22/1970 (56 years ago)

2a thread class, pan head style, 0.469 inches minimum and 0.500 inches maximum fastener length, right-hand thread direction, 0.419 inches minimum and 0.500 inches maximum thread 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: 2a
Thread Direction: right-hand
Thread Length: 0.419 inches minimum and 0.500 inches maximum
Fastener Length: 0.469 inches minimum and 0.500 inches maximum
Head Style: pan
Head Diameter: 0.205 inches minimum and 0.219 inches maximum
Head Height: 0.070 inches minimum and 0.080 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 80000 pounds per square inch
Screw Material: steel corrosion resisting or steel
Screw Material Document And Classification: qq-s-763,300 series fed spec 1st material response or 66,300 series fed std 1st material response or comp 16-18 or 18-8 assn std 2nd material response
Screw Surface Treatment: oxide
Screw Surface Treatment Document And Classification: mil-c-13924 cl 4 mil spec single treatment response
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 3 type and 9c style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-436-7316	No Name Available	04/18/1972
5305-00-971-7999	No Name Available	05/24/1972
5305-01-036-3945	No Name Available	12/01/1979
5305-01-275-0443	No Name Available	05/01/1992

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
10062853	Machine Screw
140300020	Machine Screw
2133933G11	Machine Screw
2211-047085	Machine Screw
2603978-17	Machine Screw
343-0023-000	Machine Screw
950726-4	Machine Screw
AH726-4	Machine Screw
MS51957-17B	Machine Screw
P343-0023-000	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-182-9459?

The FSCG of the NSN 5305-00-182-9459 is 5305

Does the NSN 5305-00-182-9459 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-182-9459 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 5305-00-182-9459 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-182-9459 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 5305-00-182-9459 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, May 22, 1970