2518578

View detailed technical data, stock status, and sourcing information for: 2518578
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-886-2127

Item Name Code

06673

Assigment Date

01/01/1963 (63 years ago)

0.750 inches minimum thread length, right-hand thread direction, 2a thread class, knurled no. 1 head style, 2.250 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: 2a
Thread Direction: right-hand
Thread Length: 0.750 inches minimum
Fastener Length: 2.250 inches nominal
Head Style: knurled no. 1
Head Diameter: 0.562 inches nominal
Head Height: 0.500 inches nominal
Shoulder Diameter: 0.192 inches minimum and 0.202 inches maximum second shoulder
Shoulder Diameter: 0.375 inches nominal first shoulder
Shoulder Length: 1.250 inches nominal first shoulder
Shoulder Length: 0.031 inches nominal second shoulder
Point Style: flat
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Shoulder Shape: round all shoulders
Special Features: third shoulder 0.207 in. to 0.212 in. dia,0.125 in.lg
Material Document And Classification: qq-s-637 fed spec single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 1 fed spec single treatment response overall
Thread Series Designator: unf

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
2518578	Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-00-886-2127?

The FSCG of the NSN 5305-00-886-2127 is 5305

Does NSN 5305-00-886-2127 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 5305-00-886-2127 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-886-2127 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 5305-00-886-2127 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963