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1598AS135 — DISK,RUPTURABLE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1598AS135: DISK,RUPTURABLE.

The DISK,RUPTURABLE is a the manufacturer industrial component. Key specifications include special_features: 0.500 MPT,1.125 ACROSS FLATS, TOTAL LENGTH 2.125. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-459-5050, 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
1598AS135
NSN: 4820-01-459-5050
FSC: 4820 — Valves, Nonpowered
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
special_features0.500 MPT,1.125 ACROSS FLATS, TOTAL LENGTH 2.125
NSN4820-01-459-5050
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1598AS135 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES0.500 MPT,1.125 ACROSS FLATS, TOTAL LENGTH 2.125
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 2
STA-KUL TYPE 42DV ASSEMBLY NO.6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
159AS135-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 1598AS135?
1598AS135 is a DISK,RUPTURABLE.
What parts can replace 1598AS135?
There are 2 known substitutes for 1598AS135: STA-KUL TYPE 42DV ASSEMBLY NO.6, 159AS135-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1598AS135?
1598AS135 is cataloged in the U.S. Government catalog under NSN 4820-01-459-5050. This indicates validated use in U.S. government and defense supply chains.
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