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25515635 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

25515635: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include mounting_facility: THREADED FASTENER, valve_operation_method: HYDRAULIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-156-8317, 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
25515635
NSN: 4820-01-156-8317
FSC: 4820 — Valves, Nonpowered
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
mounting_facilityTHREADED FASTENER
valve_operation_methodHYDRAULIC
NSN4820-01-156-8317
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 25515635 · 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
•
MOUNTING FACILITY: THREADED FASTENER
•
VALVE OPERATION METHOD: HYDRAULIC
TECHNICAL CHARACTERISTICS
MOUNTING FACILITYTHREADED FASTENER
VALVE OPERATION METHODHYDRAULIC
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
131-80434Reference document
Same NSN cross-reference
Reference document — Secondary reference
2530011568317Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 25515635?
25515635 is a VALVE,SAFETY RELIEF.
What parts can replace 25515635?
There are 2 known substitutes for 25515635: 131-80434, 2530011568317. Substitute compatibility should be verified for your specific system.
What is the NSN for 25515635?
25515635 is cataloged in the U.S. Government catalog under NSN 4820-01-156-8317. 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.