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1771093 — VALVE,RELIEF,PRESSURE AND TEMPER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1771093: VALVE,RELIEF,PRESSURE AND TEMPER.

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include end_item_identification: W/S VIRGINIA CLASS SUBMARINE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-761-1981, 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
1771093
NSN: 4820-00-761-1981
NIINs: 007611981, 015099498
FSC: 4820 — Valves, Nonpowered
CAGE: 19857 — THE ELECTRIC HEATER CO DBA HUBBELL ELECTRIC HEATER CO. (USA)
SPECIFICATIONS
end_item_identificationW/S VIRGINIA CLASS SUBMARINE
NSN4820-00-761-1981
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1771093 · 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: POPPET
•
TEMP RATING: 180.0 FAHRENHEIT DEGF
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
BODY STYLE: ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
•
FIRST END STYLE DESIGNATOR: PLAIN
•
SECOND END NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES IN
•
END CONNECTION QUANTITY: 2
•
SECOND END STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
TEMP RATING180.0 FAHRENHEIT DEGF
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
BODY STYLEANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
FIRST END STYLE DESIGNATORPLAIN
SECOND END NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES IN
END CONNECTION QUANTITY2
SECOND END STYLE DESIGNATORPLAIN
OPENING PRESSURE SETTINGERR-060
TEMP CONTROL DEVICE TYPEFUSIBLE
SUBSTITUTES & CROSS-REFERENCES 1
17723-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1771093?
1771093 is a VALVE,RELIEF,PRESSURE AND TEMPER.
What parts can replace 1771093?
There is 1 known substitute for 1771093: 17723-7. Substitute compatibility should be verified for your specific system.
What is the NSN for 1771093?
1771093 is cataloged in the U.S. Government catalog under NSN 4820-00-761-1981. 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.