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Technical Data Sheet
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205421 — VALVE,REGULATING,TEMPERATURE

✓ Government record, cited
Equip · GATE VALVE
PRODUCT OVERVIEW

205421: VALVE,REGULATING,TEMPERATURE.

The equip® Cat.5e F/UTP Patch Cord is composed of high-quality materials and thoroughly-examined to meet EIA/TIA 568-B.2 channel standard, delivering ultrahigh and error-free signal in the most demanding network environments. This part is cataloged in the U.S. Government catalog under NSN 4820-01-313-4579, 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
205421
NSN: 4820-01-313-4579
NIINs: 013134579, 016178338
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
end_item_identification3815015975671
part_name_assigned_by_controlling_agencyDECAL,PUMP DAMAGE PREVENTION PP3
NSN4820-01-313-4579
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 205421 · Equip ⚠ 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
•
FLOW CONTROL DEVICE: PLUG
•
FIRST END THREAD DIRECTION: UNABLE TO DECODE
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
FIRST END STYLE DESIGNATOR: PLAIN
•
END CONNECTION QUANTITY: 2
•
FIRST END CONNECTION TYPE: THREADED INTERNAL PIPE
•
TEMP ADJUSTABILITY: ADJUSTABLE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPLUG
FIRST END THREAD DIRECTIONUNABLE TO DECODE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
FIRST END STYLE DESIGNATORPLAIN
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPETHREADED INTERNAL PIPE
TEMP ADJUSTABILITYADJUSTABLE
SPECIAL FEATURESTEMP RATING 50-250 DEG F DEGF
MATERIALALUMINUM FLOW CONTROL DEVICE
SUBSTITUTES & CROSS-REFERENCES 1
BP1-50T250DEG F-.25INReference document
Same NSN cross-reference
Reference document — Secondary reference
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 205421?
205421 is a VALVE,REGULATING,TEMPERATURE manufactured by Equip.
What parts can replace 205421?
There is 1 known substitute for 205421: BP1-50T250DEG F-.25IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 205421?
205421 is cataloged in the U.S. Government catalog under NSN 4820-01-313-4579. 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.