N-498 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

N-498: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: RUBBER CHLOROPRENE CLASS CR FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, temp_rating: 165.0 FAHRENHEIT NOMINAL DEGF, furnished_items: TAILPIECE AND UNION NUT, regulation_type: AUTOMATIC SINGLE STAGE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-181-8912, 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

N-498

NSN: 4820-00-181-8912
NIINs: 001818912, 011400530
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)

SPECIFICATIONS

filter	NOT INCLUDED
material	RUBBER CHLOROPRENE CLASS CR FLOW CONTROL DEVICE
body_style	STRAIGHT THRU
temp_rating	165.0 FAHRENHEIT NOMINAL DEGF
furnished_items	TAILPIECE AND UNION NUT
regulation_type	AUTOMATIC SINGLE STAGE
special_features	ENDS W/O BRAZING RINGS INSTALLED
valve_stem_design	SINGLE SEAT
flow_control_device	DIAPHRAGM
valve_loading_method	SPRING
outlet_pressure_range	55.0 TO 120.0 CAMERA MOUNT
special_test_features	HIGH-IMPACT SHOCK TESTS ARE REQUIRED AS DIRECTED IN PARAGRAPHS 3.6 AND 4.4.2.3 OF MIL-V-2042
NSN	4820-00-181-8912

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DIAPHRAGM

•

VALVE STEM DESIGN: SINGLE SEAT

•

RENEWABLE SEAT RING TYPE: THREADED

•

SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL

•

BODY STYLE: STRAIGHT THRU

•

REGULATION TYPE: AUTOMATIC DOUBLE STAGE

•

FIRST END STYLE DESIGNATOR: STREAMLINED WITH ONE BRAZING RING

•

SPECIAL TEST FEATURES: HIGH-IMPACT SHOCK TESTS ARE REQUIRED AS DIRECTED IN PARAGRAPHS 3.6 AND 4.4.2.3 OF MIL-V-2042

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DIAPHRAGM
VALVE STEM DESIGN	SINGLE SEAT
RENEWABLE SEAT RING TYPE	THREADED
SECOND END RELATIONSHIP WITH FIRST END	IDENTICAL
BODY STYLE	STRAIGHT THRU
REGULATION TYPE	AUTOMATIC DOUBLE STAGE
FIRST END STYLE DESIGNATOR	STREAMLINED WITH ONE BRAZING RING
SPECIAL TEST FEATURES	HIGH-IMPACT SHOCK TESTS ARE REQUIRED AS DIRECTED IN PARAGRAPHS 3.6 AND 4.4.2.3 OF MIL-V-2042
TEMP RATING	165.0 FAHRENHEIT NOMINAL DEGF
END CONNECTION QUANTITY	2

SUBSTITUTES & CROSS-REFERENCES 9

4361 1 1/4IN 30Reference document

Same NSN cross-reference

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

40400-09 25T60PSIReference document

Same NSN cross-reference

Reference document — Secondary reference

4820PL1341134Reference document

Same NSN cross-reference

Reference document — Informative reference only

TYPE NEReference document

Same NSN cross-reference

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

MILV2042Reference document

Same NSN cross-reference

Reference document — Secondary reference

ASTM F 1370Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is N-498?

N-498 is a VALVE,REGULATING,FLUID PRESSURE.

What parts can replace N-498?

There are 9 known substitutes for N-498: 4361 1 1/4IN 30, 40400-09 25T60PSI, 4820PL1341134 and 6 more. Substitute compatibility should be verified for your specific system.

What is the NSN for N-498?

N-498 is cataloged in the U.S. Government catalog under NSN 4820-00-181-8912. This indicates validated use in U.S. government and defense supply chains.

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