BV-1256

View detailed technical data, stock status, and sourcing information for: BV-1256
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-654-3700

Item Name Code

48241

Assigment Date

04/26/2016 (10 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.

plastic material, 1.30 inches nominal inside diameter, 1.80 inches nominal outside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Inside Diameter: 1.30 inches nominal
Outside Diameter: 1.80 inches nominal
Material: plastic

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
BV-1256	Valve Seat Retainer

FAQs

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

What is the FSCG of the NSN 4820-01-654-3700?

The FSCG of the NSN 4820-01-654-3700 is 4820

Does the NSN 4820-01-654-3700 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-654-3700 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 4820-01-654-3700 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-654-3700 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 4820-01-654-3700 was assigned to the Federal Catalog?

It was assigned 10 years ago, on Tue, Apr 26, 2016