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240-205BN

View detailed technical data, stock status, and sourcing information for: 240-205BN

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240-205BN
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-487-6099
Item Name Code
06657
Assigment Date
01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

0.272 inches minimum and 0.292 inches maximum thread length, 0.307 inches minimum and 0.317 inches maximum fastener length, flat chamfer head style, right-hand thread direction, 3a 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
3a
Thread Direction
right-hand
Thread Length
0.272 inches minimum and 0.292 inches maximum
Fastener Length
0.307 inches minimum and 0.317 inches maximum
Head Style
flat chamfer
Head Diameter
0.130 inches minimum and 0.134 inches maximum
Head Height
0.050 inches minimum and 0.053 inches maximum
Internal Drive Style
slot
Nominal Thread Diameter
0.086 inches
Thread Quantity Per Inch
64
Screw Material
copper alloy
Screw Material Document And Classification
eclipsaloy,no. 88,1/2 h,the bendix corp mfr ref single material response
Screw Surface Treatment
nickel
Screw Surface Treatment Document And Classification
ps22,fscm 19315 mfr ref single treatment response
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
240-205BN Machine Screw
FFIL0-205BN Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-487-6099?
The FSCG of the NSN 5305-00-487-6099 is 5305
Does the NSN 5305-00-487-6099 have a Schedule B code assigned?
Yes, the Schedule B code is 7415338550
Does NSN 5305-00-487-6099 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 5305-00-487-6099 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-487-6099 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 5305-00-487-6099 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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