2660129-6

View detailed technical data, stock status, and sourcing information for: 2660129-6
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-167-3628

Item Name Code

05487

Assigment Date

11/24/1971 (54 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.

poppet flow control device, 3a 1st end thread class, 3a 2nd end thread class, right-hand 2nd end thread direction, right-hand 1st end thread direction

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 1st end
Thread Class: 3a 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Maximum Operating Temp: 275.0 fahrenheit single response
Connection Style: external seat for gasket seal (boss) 2nd end
Connection Style: external seat for gasket seal (boss) 1st end
Valve Operation Method: automatic
Connection Type: threaded external boss 1st end
Connection Type: threaded external boss 2nd end
Mounting Position: horizontal
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.562 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Nominal Outside Diameter Tube Accommodated: 0.375 inches 2nd end
Nominal Outside Diameter Tube Accommodated: 0.500 inches 1st end
Special Features: the end connection identified above as the second end is the valve inlet
Material: steel comp 303 body
Material: steel comp 303 seat
Material Document And Classification: qq-s-764,type 303-canceled fed spec single material response body
Material Document And Classification: qq-s-764,type 303-canceled fed spec single material response seat
Media For Which Designed: hydraulic fluid, petroleum base single response
Surface Treatment: passivate
Surface Treatment Document And Classification: mil-s-5002 mil spec single treatment response
Style Designator: straight thru
Thread Series Designator: unjf 2nd end
Thread Series Designator: unjf 1st end

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
2660129-6	Check Valve
2C9038	Check Valve
GA7461C 0608	Check Valve
STSRB001	Check Valve
STSRB001C0608	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-167-3628?

The FSCG of the NSN 4820-00-167-3628 is 4820

Does the NSN 4820-00-167-3628 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-167-3628 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 4820-00-167-3628 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-167-3628 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 4820-00-167-3628 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Nov 24, 1971