1997704-136

View detailed technical data, stock status, and sourcing information for: 1997704-136
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-925-4781

Item Name Code

06657

Assigment Date

03/21/1966 (60 years ago)

0.875 inches nominal fastener length, fillister head style, right-hand thread direction, 0.825 inches minimum and 0.875 inches maximum thread length, 2a thread class

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: 0.825 inches minimum and 0.875 inches maximum
Fastener Length: 0.875 inches nominal
Head Style: fillister
Head Diameter: 0.166 inches minimum and 0.183 inches maximum
Head Height: 0.072 inches minimum and 0.079 inches maximum
Hole Diameter: 0.037 inches nominal
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Hole Quantity: 1
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 80000 pounds per square inch
Screw Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
Screw Material Document And Classification: 66 fed std all material responses
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
Head Hole Configuration Style: round
Special Features: straight slotted internal drive type 1, style, 5s, ilo internal drive style cross recess, type 1.
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-208-1818	No Name Available	06/01/1979
5305-00-226-9635	No Name Available	07/12/1980
5305-00-903-6712	No Name Available	09/24/1996

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
0457-220	Machine Screw
16449ADX	Machine Screw
1997704-136	Machine Screw
4-40X7-8FILHSST	Machine Screw
91047-220	Machine Screw
MS35275-220	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-925-4781?

The FSCG of the NSN 5305-00-925-4781 is 5305

Does the NSN 5305-00-925-4781 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-925-4781 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 5305-00-925-4781 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-925-4781 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 5305-00-925-4781 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Mon, Mar 21, 1966