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920-172 REF-3 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

920-172 REF-3: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630, stem_actuating_end_type: ROUNDED, valve_size_for_which_designed: 4.000 INCHES IN, valve_type_for_which_designed: BUTTERFLY, material_document_and_classification: SAE J467 17-4PH ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-310-4303, 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
920-172 REF-3
NSN: 4820-01-310-4303
FSC: 4820 — Valves, Nonpowered
CAGE: 91363 — NORRISEAL NORRIS VALUES DIV DBA DOVER CO (USA)
SPECIFICATIONS
materialSTEEL COMP 630
stem_actuating_end_typeROUNDED
valve_size_for_which_designed4.000 INCHES IN
valve_type_for_which_designedBUTTERFLY
material_document_and_classificationSAE J467 17-4PH ASSN STD SINGLE MATERIAL RESPONSE
NSN4820-01-310-4303
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 920-172 REF-3 · 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
•
VALVE TYPE FOR WHICH DESIGNED: BUTTERFLY
•
STEM ACTUATING END TYPE: ROUNDED
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J467 17-4PH ASSN STD SINGLE MATERIAL RESPONSE
•
VALVE SIZE FOR WHICH DESIGNED: 4.000 INCHES IN
•
MATERIAL: STEEL COMP 630
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBUTTERFLY
STEM ACTUATING END TYPEROUNDED
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J467 17-4PH ASSN STD SINGLE MATERIAL RESPONSE
VALVE SIZE FOR WHICH DESIGNED4.000 INCHES IN
MATERIALSTEEL COMP 630
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
51740A633Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 920-172 REF-3?
920-172 REF-3 is a STEM,FLUID VALVE.
What parts can replace 920-172 REF-3?
There is 1 known substitute for 920-172 REF-3: 51740A633. Substitute compatibility should be verified for your specific system.
What is the NSN for 920-172 REF-3?
920-172 REF-3 is cataloged in the U.S. Government catalog under NSN 4820-01-310-4303. This indicates validated use in U.S. government and defense supply chains.
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