B1677

View detailed technical data, stock status, and sourcing information for: B1677
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-278-6555

Item Name Code

37648

Assigment Date

01/01/1963 (63 years ago)

steel overall material, dim. data,2-1/8 in. lg over-all,7/16 in. special features, zinc surface treatment

Product Characteristics

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

Special Features: dim. data,2-1/8 in. lg over-all,7/16 in.
Material: steel overall
Surface Treatment: zinc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-353-3032	No Name Available	01/01/1963
5305-00-359-0844	No Name Available	08/01/1969
2530-00-741-1071	No Name Available	08/21/1968

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
020721	Hydraulic System Bleeder Valve
16R91R	Hydraulic System Bleeder Valve
2264248	Hydraulic System Bleeder Valve
2530002786555	Hydraulic System Bleeder Valve
4WE6	Hydraulic System Bleeder Valve
625329	Hydraulic System Bleeder Valve
7411071	Hydraulic System Bleeder Valve
78492R91	Hydraulic System Bleeder Valve
830219	Hydraulic System Bleeder Valve
B1677	Hydraulic System Bleeder Valve
F11589	Hydraulic System Bleeder Valve
FC11589	Hydraulic System Bleeder Valve
FC11589A	Hydraulic System Bleeder Valve
FC968	Hydraulic System Bleeder Valve
FT10074	Hydraulic System Bleeder Valve
L14384	Hydraulic System Bleeder Valve
W807	Hydraulic System Bleeder Valve

FAQs

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

What is the FSCG of the NSN 4820-00-278-6555?

The FSCG of the NSN 4820-00-278-6555 is 4820

Does the NSN 4820-00-278-6555 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-278-6555 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 4820-00-278-6555 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-278-6555 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 4820-00-278-6555 was assigned to the Federal Catalog?

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