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73N-B — POSITIONER,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

73N-B: POSITIONER,VALVE.

The POSITIONER,VALVE is a the manufacturer industrial component. Key specifications include overall_length: 4.625 INCHES NOMINAL IN, overall_diameter: 3.375 INCHES NOMINAL IN, end_item_identification: TARAWA CLASS LHA, general_characteristics_item_description: BOTTOM LOADING; DIRECT ACTING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-437-8921, 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
73N-B
NSN: 4820-01-437-8921
FSC: 4820 — Valves, Nonpowered
CAGE: 41387 — SIEMENS INDUSTRY, INC. DBA SIEMENS ENERGY DIV PROCESS INDUSTRIES AND DRIVES (USA)
SPECIFICATIONS
overall_length4.625 INCHES NOMINAL IN
overall_diameter3.375 INCHES NOMINAL IN
end_item_identificationTARAWA CLASS LHA
general_characteristics_item_descriptionBOTTOM LOADING; DIRECT ACTING
NSN4820-01-437-8921
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 73N-B · 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
•
OVERALL DIAMETER: 3.375 INCHES NOMINAL IN
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: BOTTOM LOADING; DIRECT ACTING
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER3.375 INCHES NOMINAL IN
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBOTTOM LOADING; DIRECT ACTING
OVERALL LENGTH4.625 INCHES NOMINAL IN
END ITEM IDENTIFICATIONTARAWA CLASS LHA
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 73N-B?
73N-B is a POSITIONER,VALVE.
What is the NSN for 73N-B?
73N-B is cataloged in the U.S. Government catalog under NSN 4820-01-437-8921. This indicates validated use in U.S. government and defense supply chains.
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