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401320 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

401320: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include body_style: STRAIGHT THRU, valve_loading_method: BELLOWS, manual_control_method: LEVER, end_item_identification: AIRCRAFT, EAGLE F-15, media_for_which_designed: GAS, first_end_connection_type: THREADED INTERNAL TUBE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-439-8787, 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
401320
NSN: 4820-01-439-8787
FSC: 4820 — Valves, Nonpowered
CAGE: 2J641 — DH INSTRUMENTS INC. (USA)
SPECIFICATIONS
body_styleSTRAIGHT THRU
valve_loading_methodBELLOWS
manual_control_methodLEVER
end_connection_quantity2
end_item_identificationAIRCRAFT, EAGLE F-15
media_for_which_designedGAS
first_end_connection_typeTHREADED INTERNAL TUBE
second_end_relationship_with_first_endIDENTICAL
first_end_outside_diameter_tube_accommodated0.375 INCHES NOMINAL IN
NSN4820-01-439-8787
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 401320 · 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
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
END CONNECTION QUANTITY: 2
•
MANUAL CONTROL METHOD: LEVER
•
VALVE LOADING METHOD: BELLOWS
•
FIRST END CONNECTION TYPE: THREADED INTERNAL TUBE
•
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
END CONNECTION QUANTITY2
MANUAL CONTROL METHODLEVER
VALVE LOADING METHODBELLOWS
FIRST END CONNECTION TYPETHREADED INTERNAL TUBE
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES NOMINAL IN
END ITEM IDENTIFICATIONAIRCRAFT, EAGLE F-15
MEDIA FOR WHICH DESIGNEDGAS
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
SR4-080-F0014-S32-25Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 401320?
401320 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 401320?
There is 1 known substitute for 401320: SR4-080-F0014-S32-25. Substitute compatibility should be verified for your specific system.
What is the NSN for 401320?
401320 is cataloged in the U.S. Government catalog under NSN 4820-01-439-8787. This indicates validated use in U.S. government and defense supply chains.
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