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A-1993 — PARTS KIT,SAFETY RELIEF VALVE

✓ Government record, cited
APPLE · ACCESSORY · KIT
PRODUCT OVERVIEW

A-1993: PARTS KIT,SAFETY RELIEF VALVE.

The PARTS KIT,SAFETY RELIEF VALVE is a APPLE industrial component. Key specifications include component_quantity: 14. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-399-2523, 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
ACCESSORY→ KIT→ A-1993
NSN: 4820-00-399-2523
NIINs: 003992523, 009265471, 012116505, 015759079, 015759082, 016642455, 017176548
FSC: 4820 — Valves, Nonpowered
CAGE: 71871 — ALFA LAVAL INC (USA)
SPECIFICATIONS
component_quantity14
supply_items_and_quantitiesRELIEF VALVE BODY 1,VALVE 1,CAP 1,SPRING 1,PIN 1,ADJUSTING SCREW 1,SPRING DISC 1,LOCK NUT 1,VALVE SEAT 1,COTTER PIN 1,GASKET 1,STUD AND HEX NUT 3
NSN4820-00-399-2523
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A-1993 · APPLE ⚠ 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
•
COMPONENT QUANTITY: 14
•
SUPPLY ITEMS AND QUANTITIES: RELIEF VALVE BODY 1,VALVE 1,CAP 1,SPRING 1,PIN 1,ADJUSTING SCREW 1,SPRING DISC 1,LOCK NUT 1,VALVE SEAT 1,COTTER PIN 1,GASKET 1,STUD AND HEX NUT 3
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY14
SUPPLY ITEMS AND QUANTITIESRELIEF VALVE BODY 1,VALVE 1,CAP 1,SPRING 1,PIN 1,ADJUSTING SCREW 1,SPRING DISC 1,LOCK NUT 1,VALVE SEAT 1,COTTER PIN 1,GASKET 1,STUD AND HEX NUT 3
SUBSTITUTES & CROSS-REFERENCES 4
WW6665678PC80T092Reference document
Same NSN cross-reference
Reference document — Secondary reference
6668116-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
WW5599116PC40T050Reference document
Same NSN cross-reference
Reference document — Secondary reference
WW6665757SH1PC95Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-1993?
A-1993 is a PARTS KIT,SAFETY RELIEF VALVE manufactured by APPLE. It is classified as a ACCESSORY (KIT).
What parts can replace A-1993?
There are 4 known substitutes for A-1993: WW6665678PC80T092, 6668116-1, WW5599116PC40T050 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-1993?
A-1993 is cataloged in the U.S. Government catalog under NSN 4820-00-399-2523. This indicates validated use in U.S. government and defense supply chains.
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