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40042-704 — VALVE,REGULATING,TEMPERATURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40042-704: VALVE,REGULATING,TEMPERATURE.

The VALVE,REGULATING,TEMPERATURE is a the manufacturer industrial component. Key specifications include material: COPPER BULB, bulb_length: 12.000 INCHES NOMINAL IN, bulb_diameter: 0.750 INCHES NOMINAL IN, end_item_identification: ABOARD 420 FT WAGB COAST GUARD VESSELS FT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-442-8266, 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
40042-704
NSN: 4820-01-442-8266
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialCOPPER BULB
bulb_length12.000 INCHES NOMINAL IN
bulb_diameter0.750 INCHES NOMINAL IN
end_item_identificationABOARD 420 FT WAGB COAST GUARD VESSELS FT
NSN4820-01-442-8266
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40042-704 · 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
•
BULB LENGTH: 12.000 INCHES NOMINAL IN
•
BULB DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL: COPPER AND NICKEL BODY
TECHNICAL CHARACTERISTICS
BULB LENGTH12.000 INCHES NOMINAL IN
BULB DIAMETER0.750 INCHES NOMINAL IN
SPECIAL FEATURESSIZE 1 INCH; SERVICE-STEAM; VALVE MAX RATED PRESSURE 100 PSIG; MAX RATED TEMPERATURE 425 DEG. F; TEMPERATURE RANGE 130-160 DEG. F; TEMPERATURE SET 140 DEG. F; CAPACITY 346 LB/HR; PRESSURE DROP 10-30 PSIG; DESIGN PRESSURE 100 PSIG LBS
END ITEM IDENTIFICATIONABOARD 420 FT WAGB COAST GUARD VESSELS FT
MATERIALCOPPER AND NICKEL BODY
MATERIALCOPPER BULB
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 40042-704?
40042-704 is a VALVE,REGULATING,TEMPERATURE.
What is the NSN for 40042-704?
40042-704 is cataloged in the U.S. Government catalog under NSN 4820-01-442-8266. 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.