20261L51M — TUNER,RADIO FREQUENCY

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

20261L51M: TUNER,RADIO FREQUENCY.

The TUNER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: BRONZE BODY, bonnet_type: INSIDE SPRING, style_designator: ANGLE, operating_pressure: 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING, flow_control_device: DISK. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-504-6111, 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

20261L51M

NSN: 4820-01-504-6111
FSC: 4820 — Valves, Nonpowered
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)

SPECIFICATIONS

material	BRONZE BODY
bonnet_type	INSIDE SPRING
style_designator	ANGLE
operating_pressure	90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	DISK
maximum_operating_temp	165.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_method	AUTOMATIC OR MANUAL
end_item_identification	SEAWOLF CLASS SSN
bonnet_attachment_method	BOLTED
media_for_which_designed	AIR SINGLE RESPONSE
opening_pressure_setting	90.0 POUNDS PER SQUARE INCH LBS
NSN	4820-01-504-6111

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

RENEWABLE SEAT RING TYPE: THREADED

•

STYLE DESIGNATOR: ANGLE

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE BODY

•

OPERATING PRESSURE: 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
RENEWABLE SEAT RING TYPE	THREADED
STYLE DESIGNATOR	ANGLE
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 CL. A OR B FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 CL.A FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-288 CL.A FED SPEC SINGLE MATERIAL RESPONSE SEAT
OPERATING PRESSURE	90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE	+76.0 TO 90.0 POUNDS PER SQUARE INCH LBS
BONNET TYPE	INSIDE SPRING

SUBSTITUTES & CROSS-REFERENCES 3

20261Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

20261D02S0090/CReference document

Same NSN cross-reference

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

CDS17085Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Shelf-life managedAcquisition advice: Semi-active item — no replacement plannedDemilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 20261L51M?

20261L51M is a TUNER,RADIO FREQUENCY.

What parts can replace 20261L51M?

There are 3 known substitutes for 20261L51M: 20261, 20261D02S0090/C, CDS17085. Substitute compatibility should be verified for your specific system.

What is the NSN for 20261L51M?

20261L51M is cataloged in the U.S. Government catalog under NSN 4820-01-504-6111. This indicates validated use in U.S. government and defense supply chains.

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