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91726576 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

91726576: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, special_features: 90 DEG ANGLE; MALE X-FLARE; INLET 0.375 NPT; OUTLET 0.500 SAE; PORT 0.166, valve_operation_method: AIR, opening_pressure_setting: 450.0 POUNDS PER SQUARE INCH LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-376-8856, 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
91726576
NSN: 4820-01-376-8856
FSC: 4820 — Valves, Nonpowered
CAGE: F6481 — THALES SA (FRA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
special_features90 DEG ANGLE; MALE X-FLARE; INLET 0.375 NPT; OUTLET 0.500 SAE; PORT 0.166
valve_operation_methodAIR
opening_pressure_setting450.0 POUNDS PER SQUARE INCH LBS
NSN4820-01-376-8856
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 91726576 · 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
•
MATERIAL: COPPER ALLOY BODY
•
OPENING PRESSURE SETTING: 450.0 POUNDS PER SQUARE INCH LBS
•
VALVE OPERATION METHOD: AIR
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES90 DEG ANGLE; MALE X-FLARE; INLET 0.375 NPT; OUTLET 0.500 SAE; PORT 0.166
MATERIALCOPPER ALLOY BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE BODY LINING
OPENING PRESSURE SETTING450.0 POUNDS PER SQUARE INCH LBS
VALVE OPERATION METHODAIR
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 1
3215-450PSIReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91726576?
91726576 is a VALVE,SAFETY RELIEF.
What parts can replace 91726576?
There is 1 known substitute for 91726576: 3215-450PSI. Substitute compatibility should be verified for your specific system.
What is the NSN for 91726576?
91726576 is cataloged in the U.S. Government catalog under NSN 4820-01-376-8856. 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.