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45R1TYPED — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

45R1TYPED: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: INCLUDED, material: COPPER ALLOY BODY, body_style: STRAIGHT THRU, furnished_items: CYLINDER GAGE AND DELIVERY GAGE, regulation_type: MANUAL SINGLE STAGE, flow_control_device: STEM AND INTEGRAL DISK. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-171-9819, 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
45R1TYPED
NSN: 4820-00-171-9819
FSC: 4820 — Valves, Nonpowered
CAGE: 99993 — DEPARTMENT OF THE NAVY (USA)
SPECIFICATIONS
filterINCLUDED
materialCOPPER ALLOY BODY
body_styleSTRAIGHT THRU
furnished_itemsCYLINDER GAGE AND DELIVERY GAGE
regulation_typeMANUAL SINGLE STAGE
flow_control_deviceSTEM AND INTEGRAL DISK
valve_loading_methodSPRING
manual_control_methodTEE HANDLE
outlet_pressure_range0.0 TO 40.0 CAMERA MOUNT
first_end_thread_class2A A
second_end_seat_radius0.281 INCHES NOMINAL IN
end_connection_quantity2
NSN4820-00-171-9819
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 45R1TYPED · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: STEM AND INTEGRAL DISK
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
REGULATION TYPE: MANUAL SINGLE STAGE
•
FIRST END SEAT ANGLE IN DEG: 30.0
•
FIRST END THREAD CLASS: 2A A
•
FIRST END STYLE DESIGNATOR: INVERTED FLARE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICESTEM AND INTEGRAL DISK
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
BODY STYLESTRAIGHT THRU
REGULATION TYPEMANUAL SINGLE STAGE
FIRST END SEAT ANGLE IN DEG30.0
FIRST END THREAD CLASS2A A
FIRST END STYLE DESIGNATORINVERTED FLARE
END CONNECTION QUANTITY2
OUTLET PRESSURE RANGE0.0 TO 40.0 CAMERA MOUNT
SUBSTITUTES & CROSS-REFERENCES 3
0781-5154Reference document
Same NSN cross-reference
Reference document — Secondary reference
MILR19180Reference document
Same NSN cross-reference
Reference document — Identification reference
SR450B-540Reference 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 45R1TYPED?
45R1TYPED is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 45R1TYPED?
There are 3 known substitutes for 45R1TYPED: 0781-5154, MILR19180, SR450B-540. Substitute compatibility should be verified for your specific system.
What is the NSN for 45R1TYPED?
45R1TYPED is cataloged in the U.S. Government catalog under NSN 4820-00-171-9819. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.