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98791-B11 — POWER ASSEMBLY,THERMOSTATIC,VALV

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

98791-B11: POWER ASSEMBLY,THERMOSTATIC,VALV.

POWER ASSEMBLY,THERMOSTATIC,VALV. Key specifications include end_item_identification: FULTON SYLPHON DIVISION,ROBERTSHAW CONTROLS CO TEMPERATURE REGULATOR MODELS I-1003,I-1008 AND I-1009. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-023-2704, 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
98791-B11
NSN: 4820-01-023-2704
FSC: 4820 — Valves, Nonpowered
CAGE: 73475 — SCHNEIDER ELECTRIC SYSTEMS USA INC (USA)
SPECIFICATIONS
end_item_identificationFULTON SYLPHON DIVISION,ROBERTSHAW CONTROLS CO TEMPERATURE REGULATOR MODELS I-1003,I-1008 AND I-1009
NSN4820-01-023-2704
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 98791-B11 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: BULB MATERIAL COPPER,BULB LENGTH 24.000 IN.,BULB DIA 1.250 IN.,CAPILLARY TUBE LENGTH 120.000 IN.,BULB MOUNTING FACILITY EXTERNAL PIPE THREADS,NPT1.250-11-1/2,BULB CHARGING FLUID REFRIGERANT 12,TEMPERATURE RANGE 45.0 F MIN/85.0 F MAX IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBULB MATERIAL COPPER,BULB LENGTH 24.000 IN.,BULB DIA 1.250 IN.,CAPILLARY TUBE LENGTH 120.000 IN.,BULB MOUNTING FACILITY EXTERNAL PIPE THREADS,NPT1.250-11-1/2,BULB CHARGING FLUID REFRIGERANT 12,TEMPERATURE RANGE 45.0 F MIN/85.0 F MAX IN
END ITEM IDENTIFICATIONFULTON SYLPHON DIVISION,ROBERTSHAW CONTROLS CO TEMPERATURE REGULATOR MODELS I-1003,I-1008 AND I-1009
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 98791-B11?
98791-B11 is a POWER ASSEMBLY,THERMOSTATIC,VALV.
What is the NSN for 98791-B11?
98791-B11 is cataloged in the U.S. Government catalog under NSN 4820-01-023-2704. 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.