D49501 — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

D49501: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY SEAT, bonnet_type: OUTSIDE SCREW-YOKE, temp_rating: 150.0 FAHRENHEIT NOMINAL DEGF, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, pressure_rating: 400.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, connection_style: SOCKET WITH BRAZING RING (TUBE) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-313-8647, 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

D49501

NSN: 4820-01-313-8647
NIINs: 013138647, 013138867, 014184081, 016510931
FSC: 4820 — Valves, Nonpowered
CAGE: 34889 — HUNT VALVE COMPANY INC DBA UNION FLONETICS (USA)

SPECIFICATIONS

material	NICKEL ALLOY SEAT
bonnet_type	OUTSIDE SCREW-YOKE
temp_rating	150.0 FAHRENHEIT NOMINAL DEGF
connection_type	UNTHREADED INTERNAL TUBE ALL ENDS
pressure_rating	400.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
connection_style	SOCKET WITH BRAZING RING (TUBE) ALL ENDS
style_designator	ANGLE
operating_pressure	400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	DISK
maximum_operating_temp	150.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_method	AUTOMATIC
NSN	4820-01-313-8647

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

CONNECTION STYLE: SOCKET WITH BRAZING RING (TUBE) ALL ENDS

•

CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS

•

STYLE DESIGNATOR: ANGLE

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.500 INCHES ALL ENDS IN

•

OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

ADJUSTABLE PRESSURE RANGE: +18.0 TO 22.0 POUNDS PER SQUARE INCH LBS

•

BONNET TYPE: OUTSIDE SCREW-YOKE

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
CONNECTION STYLE	SOCKET WITH BRAZING RING (TUBE) ALL ENDS
CONNECTION TYPE	UNTHREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATOR	ANGLE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	1.500 INCHES ALL ENDS IN
OPERATING PRESSURE	400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE	+18.0 TO 22.0 POUNDS PER SQUARE INCH LBS
BONNET TYPE	OUTSIDE SCREW-YOKE
MAXIMUM OPERATING TEMP	150.0 FAHRENHEIT SINGLE RESPONSE DEGF
DISK LOADING METHOD	SPRING

SUBSTITUTES & CROSS-REFERENCES 3

R10AH1H106-BM3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

D49501 ITEM R10AH1H106-BMBReference document

Same NSN cross-reference

Reference document — Design control — primary reference

D49501 ITEM R10Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is D49501?

D49501 is a VALVE,SAFETY RELIEF.

What parts can replace D49501?

There are 3 known substitutes for D49501: R10AH1H106-BM3, D49501 ITEM R10AH1H106-BMB, D49501 ITEM R10. Substitute compatibility should be verified for your specific system.

What is the NSN for D49501?

D49501 is cataloged in the U.S. Government catalog under NSN 4820-01-313-8647. This indicates validated use in U.S. government and defense supply chains.

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