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4558793 ITEM7L1 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4558793 ITEM7L1: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY K-500, overall_length: 5.750 INCHES NOMINAL IN, end_item_identification: VALVE B COMBN, largest_outside_diameter: 0.935 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN, criticality_code_justification: ZZZY, material_document_and_classification: QQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-218-9175, 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
4558793 ITEM7L1
NSN: 4820-01-218-9175
NIINs: 012189175, 013298423
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialNICKEL ALLOY K-500
overall_length5.750 INCHES NOMINAL IN
end_item_identificationVALVE B COMBN
largest_outside_diameter0.935 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
criticality_code_justificationZZZY
material_document_and_classificationQQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE
reference_number_differentiating_characteristicsQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN4820-01-218-9175
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4558793 ITEM7L1 · 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: BALL
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
VALVE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
MATERIAL: NICKEL ALLOY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBALL
CRITICALITY CODE JUSTIFICATIONZZZY
VALVE SIZE FOR WHICH DESIGNED0.500 INCHES IN
MATERIALNICKEL ALLOY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
SUBSTITUTES & CROSS-REFERENCES 3
2642-806-05 ITEM 15AReference document
Same NSN cross-reference
Reference document — Secondary reference
4558793 ITEM 7Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2642-806-05 ITEM 15AL1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 4558793 ITEM7L1?
4558793 ITEM7L1 is a STEM,FLUID VALVE.
What parts can replace 4558793 ITEM7L1?
There are 3 known substitutes for 4558793 ITEM7L1: 2642-806-05 ITEM 15A, 4558793 ITEM 7, 2642-806-05 ITEM 15AL1. Substitute compatibility should be verified for your specific system.
What is the NSN for 4558793 ITEM7L1?
4558793 ITEM7L1 is cataloged in the U.S. Government catalog under NSN 4820-01-218-9175. This indicates validated use in U.S. government and defense supply chains.
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