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771-592-9101 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

771-592-9101: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY., thread_direction: RIGHT-HAND ALL ENDS, operating_pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: PISTON. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-102-2819, 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
771-592-9101
NSN: 4820-00-102-2819
FSC: 4820 — Valves, Nonpowered
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
thread_directionRIGHT-HAND ALL ENDS
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_devicePISTON
nominal_thread_size0.250 INCHES ALL ENDS IN
maximum_operating_temp225.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
media_for_which_designedAIR FIRST RESPONSE
opening_pressure_setting500.0 POUNDS PER SQUARE INCH LBS
thread_series_designatorNPT ALL ENDS
NSN4820-00-102-2819
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 771-592-9101 · 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: PISTON
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
•
OPERATING PRESSURE: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
MAXIMUM OPERATING TEMP: 225.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID, MINERAL BASE SECOND RESPONSE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPISTON
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT SINGLE RESPONSE DEGF
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, MINERAL BASE SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MATERIALSTEEL CORROSION RESISTING BODY
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 2
680-2SS1000Reference document
Same NSN cross-reference
Reference document — Secondary reference
680-2SS2-1000Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 771-592-9101?
771-592-9101 is a VALVE,SAFETY RELIEF.
What parts can replace 771-592-9101?
There are 2 known substitutes for 771-592-9101: 680-2SS1000, 680-2SS2-1000. Substitute compatibility should be verified for your specific system.
What is the NSN for 771-592-9101?
771-592-9101 is cataloged in the U.S. Government catalog under NSN 4820-00-102-2819. This indicates validated use in U.S. government and defense supply chains.
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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.