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Technical Data Sheet

804HF/.25IN/SW — VALVE,LIFT-CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

804HF/.25IN/SW: VALVE,LIFT-CHECK.

The VALVE,LIFT-CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316L BODY, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET (PIPE) ALL ENDS, style_designator: STRAIGHT THRU, operating_pressure: 800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, disk_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-556-2071, 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
804HF/.25IN/SW
NSN: 4820-01-556-2071
FSC: 4820 — Valves, Nonpowered
CAGE: 095Y7 — WARREN ALLOY VALVE AND FITTING CO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 316L BODY
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
operating_pressure800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
valve_operation_methodAUTOMATIC
end_item_identificationNEW CONSTRUCTION LCS2
media_for_which_designedWATER, FRESH SINGLE RESPONSE
nominal_pipe_size_accommodated0.250 INCHES ALL ENDS IN
NSN4820-01-556-2071
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 804HF/.25IN/SW · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
CONNECTION STYLE: SOCKET (PIPE) ALL ENDS
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
DISK LOADING METHOD: SPRING
•
MEDIA FOR WHICH DESIGNED: WATER, FRESH SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES ALL ENDS IN
CONNECTION STYLESOCKET (PIPE) ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
DISK LOADING METHODSPRING
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
END ITEM IDENTIFICATIONNEW CONSTRUCTION LCS2
MATERIALSTEEL COMP 316L BODY
VALVE OPERATION METHODAUTOMATIC
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

No substitute or cross-reference records for this part.

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 804HF/.25IN/SW?
804HF/.25IN/SW is a VALVE,LIFT-CHECK.
What is the NSN for 804HF/.25IN/SW?
804HF/.25IN/SW is cataloged in the U.S. Government catalog under NSN 4820-01-556-2071. This indicates validated use in U.S. government and defense supply chains.
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