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40406-702 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40406-702: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: BRONZE BODY, valve_size: 4.0 INCHES IN, connection_type: FLANGE ALL ENDS, special_features: TRAC STYLE H SEAWATER PRESSURE REDUCING VALVE, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-654-7646, 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
40406-702
NSN: 4820-01-654-7646
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialBRONZE BODY
valve_size4.0 INCHES IN
connection_typeFLANGE ALL ENDS
special_featuresTRAC STYLE H SEAWATER PRESSURE REDUCING VALVE
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NSN4820-01-654-7646
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40406-702 · 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
•
CONNECTION TYPE: FLANGE ALL ENDS
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
VALVE SIZE: 4.0 INCHES IN
•
MATERIAL: BRONZE BODY
TECHNICAL CHARACTERISTICS
CONNECTION TYPEFLANGE ALL ENDS
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE4.0 INCHES IN
SPECIAL FEATURESTRAC STYLE H SEAWATER PRESSURE REDUCING VALVE
MATERIALBRONZE BODY
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

No substitute or cross-reference records for this part.

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 40406-702?
40406-702 is a VALVE,SAFETY RELIEF.
What is the NSN for 40406-702?
40406-702 is cataloged in the U.S. Government catalog under NSN 4820-01-654-7646. 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.