5305-00-938-2191

Find complete technical information, availability, and procurement data for: 5305-00-938-2191
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-938-2191

Item Name Code

33044

Assigment Date

03/13/1967 (59 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

right-hand thread direction, 0.256 inches minimum and 0.270 inches maximum head diameter, 2a thread class, flat chamfer head style, 0.195 inches minimum and 0.250 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: 0.195 inches minimum and 0.250 inches maximum
Head Style: flat chamfer
Head Diameter: 0.256 inches minimum and 0.270 inches maximum
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Material: steel comp 302 or steel comp 316 spring
Material: steel comp 302 or steel comp 316 stand-off
Material: steel comp 302 or steel comp 316 fastener
Material Document And Classification: mil-s-7720 mil spec all material responses spring
Material Document And Classification: mil-s-7720 mil spec all material responses stand-off
Material Document And Classification: mil-s-7720 mil spec all material responses fastener
Surface Treatment: passivate fastener
Surface Treatment: passivate stand-off
Surface Treatment: passivate spring
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response fastener
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response stand-off
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response spring
Thread Series Designator: unc

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
952164-2	Panel Screw Assembly
CA3040-2HS	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-00-938-2191?

The FSCG of the NSN 5305-00-938-2191 is 5305

Does the NSN 5305-00-938-2191 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-938-2191 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 5305-00-938-2191 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-938-2191 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 5305-00-938-2191 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Mon, Mar 13, 1967