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999A1 — VALVE,REGULATING,TEMPERATURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

999A1: VALVE,REGULATING,TEMPERATURE.

The VALVE,REGULATING,TEMPERATURE is a the manufacturer industrial component. Key specifications include first_end_connection_type: THREADED INTERNAL PIPE, first_end_style_designator: PLAIN, first_end_thread_direction: RIGHT-HAND, second_end_relationship_with_first_end: IDENTICAL, thread_size_and_series/type_designator: 0.500-14 UN FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-555-0797, 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
999A1
NSN: 4820-00-555-0797
FSC: 4820 — Valves, Nonpowered
CAGE: 73475 — SCHNEIDER ELECTRIC SYSTEMS USA INC (USA)
SPECIFICATIONS
end_connection_quantity2
first_end_connection_typeTHREADED INTERNAL PIPE
first_end_style_designatorPLAIN
first_end_thread_directionRIGHT-HAND
second_end_relationship_with_first_endIDENTICAL
thread_size_and_series/type_designator0.500-14 UN FIRST END
NSN4820-00-555-0797
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 999A1 · 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
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END STYLE DESIGNATOR: PLAIN
•
END CONNECTION QUANTITY: 2
•
FIRST END CONNECTION TYPE: THREADED INTERNAL PIPE
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.500-14 UN FIRST END
TECHNICAL CHARACTERISTICS
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END STYLE DESIGNATORPLAIN
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPETHREADED INTERNAL PIPE
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.500-14 UN FIRST END
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
1003D1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 999A1?
999A1 is a VALVE,REGULATING,TEMPERATURE.
What parts can replace 999A1?
There is 1 known substitute for 999A1: 1003D1. Substitute compatibility should be verified for your specific system.
What is the NSN for 999A1?
999A1 is cataloged in the U.S. Government catalog under NSN 4820-00-555-0797. This indicates validated use in U.S. government and defense supply chains.
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