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C99E9003-1 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

C99E9003-1: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 BODY, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS, operating_pressure: 110.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, maximum_operating_temp: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, minimum_operating_temp: -65.0 FAHRENHEIT DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-479-6153, 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
C99E9003-1
NSN: 4820-01-479-6153
FSC: 4820 — Valves, Nonpowered
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 BODY
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
operating_pressure110.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp200.0 FAHRENHEIT SINGLE RESPONSE DEGF
minimum_operating_temp-65.0 FAHRENHEIT DEGF
valve_operation_methodAUTOMATIC
end_item_identificationJOINT STARS ACFT, E8 ACFT
opening_pressure_setting110.0 POUNDS PER SQUARE INCH LBS
valve_discharge_flow_rate22.0 GALLONS PER MINUTE
part_name_assigned_by_controlling_agencyVALVE, BYPASS, RADAR LIQUID COOLING
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY SOURCE CONTROL DRAWING
NSN4820-01-479-6153
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C99E9003-1 · 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 STYLE: FLARED (TUBE) ALL ENDS
•
MINIMUM OPERATING TEMP: -65.0 FAHRENHEIT DEGF
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
OPERATING PRESSURE: 110.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MAXIMUM OPERATING TEMP: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
MINIMUM OPERATING TEMP-65.0 FAHRENHEIT DEGF
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
OPERATING PRESSURE110.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MAXIMUM OPERATING TEMP200.0 FAHRENHEIT SINGLE RESPONSE DEGF
SPECIAL FEATURESAMBIENT TEMP RANGE -65 TO +200 DEF FEH; COOLAND FLUID TEMP RANGE -65 TO +200 DEG FEH; COOLAND FLUID PRESSURE RANGE 0 PSIG TO 155 PSIG; PROOF PRESSURE IS TWO TIMES THE MAX OPERATING PRESSURE AT MAX OPERATING TEMP; WEIGHT 23 OUNCES; MATERIAL IS AL 2024-T351 PER QQ-A-250/4; FLUID SHALL BE COMPATIBLE WITH A FLUID CONFORMING TO GM 60031; DIMENSION: BODY 3.55 INCHES IN LENGTH; FACE TO FACE OUTLETS 5.70 INCHES; DIAMETER 2.50; END CONNECTION CONFORM TO MS33656-16 TYP OZ
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE, BYPASS, RADAR LIQUID COOLING
END ITEM IDENTIFICATIONJOINT STARS ACFT, E8 ACFT
MATERIALALUMINUM ALLOY 2024 BODY
OPENING PRESSURE SETTING110.0 POUNDS PER SQUARE INCH LBS
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
L70920-16SS105LSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C99E9003-1?
C99E9003-1 is a VALVE,SAFETY RELIEF.
What parts can replace C99E9003-1?
There is 1 known substitute for C99E9003-1: L70920-16SS105L. Substitute compatibility should be verified for your specific system.
What is the NSN for C99E9003-1?
C99E9003-1 is cataloged in the U.S. Government catalog under NSN 4820-01-479-6153. This indicates validated use in U.S. government and defense supply chains.
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