621B-6-1/4-2 — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

621B-6-1/4-2: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2014 BODY, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, style_designator: ANGLE, thread_direction: RIGHT-HAND SECOND END, operating_pressure: 650.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-117-1577, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

621B-6-1/4-2

NSN: 4820-01-117-1577
FSC: 4820 — Valves, Nonpowered
CAGE: 86768 — TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 2014 BODY
connection_type	THREADED EXTERNAL PIPE SECOND END
connection_style	PLAIN (PIPE) SECOND END
style_designator	ANGLE
thread_direction	RIGHT-HAND SECOND END
operating_pressure	650.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_device	POPPET
nominal_thread_size	0.250 INCHES FIRST END IN
maximum_operating_temp	225.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_method	AUTOMATIC
media_for_which_designed	OIL, HYDRAULIC SECOND RESPONSE
opening_pressure_setting	550.0 POUNDS PER SQUARE INCH LBS
NSN	4820-01-117-1577

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: POPPET

•

CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) FIRST END

•

CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END

•

STYLE DESIGNATOR: ANGLE

•

MATERIAL DOCUMENT AND CLASSIFICATION: AISI 416 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	POPPET
CONNECTION STYLE	PLAIN,OPTIONAL END(PIPE) FIRST END
CONNECTION STYLE	PLAIN (PIPE) SECOND END
CONNECTION TYPE	THREADED INTERNAL PIPE FIRST END
CONNECTION TYPE	THREADED EXTERNAL PIPE SECOND END
STYLE DESIGNATOR	ANGLE
MATERIAL DOCUMENT AND CLASSIFICATION	AISI 416 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/4,ALLOY 2014,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
OPERATING PRESSURE	650.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE	+430.0 TO 650.0 POUNDS PER SQUARE INCH LBS

SUBSTITUTES & CROSS-REFERENCES 2

5165982Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

626B-6-1/4-2Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

Ready to buy 621B-6-1/4-2?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is 621B-6-1/4-2?

621B-6-1/4-2 is a VALVE,SAFETY RELIEF.

What parts can replace 621B-6-1/4-2?

There are 2 known substitutes for 621B-6-1/4-2: 5165982, 626B-6-1/4-2. Substitute compatibility should be verified for your specific system.

What is the NSN for 621B-6-1/4-2?

621B-6-1/4-2 is cataloged in the U.S. Government catalog under NSN 4820-01-117-1577. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

621B-6-1/4-2 — VALVE,SAFETY RELIEF

Request a Quote — 621B-6-1/4-2