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7M845-1 — VALVE,RESTRICTOR CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

7M845-1: VALVE,RESTRICTOR CHECK.

The VALVE,RESTRICTOR CHECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C FLOW CONTROL DEVICE, connection_type: THREADED EXTERNAL TUBE ALL ENDS, special_features: FREE FLOW 3GPM AT 20 PSI AT 90 DEG F,RESTRICTED FLOW 0.54GPM AT 30000 PSI AT 90 DEG F DEGF, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL, surface_treatment: PASSIVATE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-269-7229, 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
7M845-1
NSN: 4820-00-269-7229
FSC: 4820 — Valves, Nonpowered
CAGE: 91511 — AUTO-VALVE, INC (USA)
SPECIFICATIONS
materialSTEEL COMP 440C FLOW CONTROL DEVICE
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
special_featuresFREE FLOW 3GPM AT 20 PSI AT 90 DEG F,RESTRICTED FLOW 0.54GPM AT 30000 PSI AT 90 DEG F DEGF
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL
surface_treatmentPASSIVATE
disk_loading_methodSPRING
flow_control_devicePOPPET
valve_operation_methodAUTOMATIC
surface_treatment_document_and_classificationQQ-P-35 FED SPEC ALL TREATMENT RESPONSES
NSN4820-00-269-7229
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 7M845-1 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC ALL TREATMENT RESPONSES
•
MOUNTING POSITION: HORIZONTAL
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
DISK LOADING METHOD: SPRING
•
SURFACE TREATMENT: PASSIVATE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC ALL TREATMENT RESPONSES
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
DISK LOADING METHODSPRING
SPECIAL FEATURESFREE FLOW 3GPM AT 20 PSI AT 90 DEG F,RESTRICTED FLOW 0.54GPM AT 30000 PSI AT 90 DEG F DEGF
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL COMP 630 BODY
MATERIALSTEEL COMP 440C FLOW CONTROL DEVICE
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 1
5590-121Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7M845-1?
7M845-1 is a VALVE,RESTRICTOR CHECK.
What parts can replace 7M845-1?
There is 1 known substitute for 7M845-1: 5590-121. Substitute compatibility should be verified for your specific system.
What is the NSN for 7M845-1?
7M845-1 is cataloged in the U.S. Government catalog under NSN 4820-00-269-7229. This indicates validated use in U.S. government and defense supply chains.
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