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1W139718 — PARTS KIT,SAFETY RELIEF VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1W139718: PARTS KIT,SAFETY RELIEF VALVE.

The PARTS KIT,SAFETY RELIEF VALVE is a the manufacturer industrial component. Key specifications include end_item_name: TRACTOR, end_item_source: 88663, supply_items_and_quantities: SPRING 2;SEAT 2. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-305-2756, 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
1W139718
NSN: 4820-01-305-2756
NIINs: 013052756, 013464714
FSC: 4820 — Valves, Nonpowered
CAGE: 88663 — DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE (USA)
SPECIFICATIONS
end_item_nameTRACTOR
end_item_source88663
component_quantity4
supply_items_and_quantitiesSPRING 2;SEAT 2
NSN4820-01-305-2756
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1W139718 · 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
•
END ITEM SOURCE: 88663
•
END ITEM NAME: TRACTOR
TECHNICAL CHARACTERISTICS
END ITEM SOURCE88663
END ITEM NAMETRACTOR
SUBSTITUTES & CROSS-REFERENCES 1
34265538Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1W139718?
1W139718 is a PARTS KIT,SAFETY RELIEF VALVE.
What parts can replace 1W139718?
There is 1 known substitute for 1W139718: 34265538. Substitute compatibility should be verified for your specific system.
What is the NSN for 1W139718?
1W139718 is cataloged in the U.S. Government catalog under NSN 4820-01-305-2756. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.