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1559AS662-1 — VALVE,REGULATING,SYSTEM PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1559AS662-1: VALVE,REGULATING,SYSTEM PRESSURE.

VALVE,REGULATING,SYSTEM PRESSURE. Key specifications include furnished_items: ADAPTER AND NUT AND INTERNAL BYPASS VALVE AND BRAZING RING, supplementary_features: MANUFACTURING PROCESS SHALL BE IN ACCORDANCE WITH THOSE SPECIFIED ON DWG 1559AS400, end_item_identification: NHA - P/N 1559AS428, part_name_assigned_by_controlling_agency: EXPANSION VALVE ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-593-4915, 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
1559AS662-1
NSN: 4820-01-593-4915
FSC: 4820 — Valves, Nonpowered
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
furnished_itemsADAPTER AND NUT AND INTERNAL BYPASS VALVE AND BRAZING RING
special_featuresASSEMBLY INCLUDES 1 EA OF P/N'S 1559AS663-1 VALVE, 1559AS142-2 NUT, 1559AS160-2 FITTING, 1559AS450-1 TUBING, 1559AS470-1ADAPTER, 1559AS169-2,TUBING 1559AS142-1 NUT. FLUX AND BRAZING ALLOY AS REQUIRED
supplementary_featuresMANUFACTURING PROCESS SHALL BE IN ACCORDANCE WITH THOSE SPECIFIED ON DWG 1559AS400
end_item_identificationNHA - P/N 1559AS428
part_name_assigned_by_controlling_agencyEXPANSION VALVE ASSEMBLY
NSN4820-01-593-4915
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1559AS662-1 · 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
•
SUPPLEMENTARY FEATURES: MANUFACTURING PROCESS SHALL BE IN ACCORDANCE WITH THOSE SPECIFIED ON DWG 1559AS400
•
FURNISHED ITEMS: ADAPTER AND NUT AND INTERNAL BYPASS VALVE AND BRAZING RING
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESMANUFACTURING PROCESS SHALL BE IN ACCORDANCE WITH THOSE SPECIFIED ON DWG 1559AS400
SPECIAL FEATURESASSEMBLY INCLUDES 1 EA OF P/N'S 1559AS663-1 VALVE, 1559AS142-2 NUT, 1559AS160-2 FITTING, 1559AS450-1 TUBING, 1559AS470-1ADAPTER, 1559AS169-2,TUBING 1559AS142-1 NUT. FLUX AND BRAZING ALLOY AS REQUIRED
PART NAME ASSIGNED BY CONTROLLING AGENCYEXPANSION VALVE ASSEMBLY
END ITEM IDENTIFICATIONNHA - P/N 1559AS428
FURNISHED ITEMSADAPTER AND NUT AND INTERNAL BYPASS VALVE AND BRAZING RING
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1559AS662-1?
1559AS662-1 is a VALVE,REGULATING,SYSTEM PRESSURE.
What is the NSN for 1559AS662-1?
1559AS662-1 is cataloged in the U.S. Government catalog under NSN 4820-01-593-4915. This indicates validated use in U.S. government and defense supply chains.
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