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1779AS175-2 — VALVE,SAFETY RELIEF,OXYGEN SYSTE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1779AS175-2: VALVE,SAFETY RELIEF,OXYGEN SYSTE.

VALVE,SAFETY RELIEF,OXYGEN SYSTE. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, special_features: 2.896 IN. LG IN, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS., thread_direction: RIGHT-HAND FIRST END.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-345-0274, 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
1779AS175-2
NSN: 4820-01-345-0274
FSC: 4820 — Valves, Nonpowered
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
special_features2.896 IN. LG IN
style_designatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
thread_directionRIGHT-HAND FIRST END
flow_control_devicePOPPET
nominal_thread_size0.125 INCHES FIRST END IN
valve_operation_methodAUTOMATIC
end_item_identificationAIRCRAFT MODEL AV-8
media_for_which_designedOXYGEN, LIQUID FLOW CONTROL DEVICE
thread_series_designatorNPT FIRST END
NSN4820-01-345-0274
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1779AS175-2 · 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
•
FLOW CONTROL DEVICE: POPPET
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
NOMINAL THREAD SIZE: 0.125 INCHES FIRST END IN
•
MEDIA FOR WHICH DESIGNED: OXYGEN, GASEOUS BODY LINING
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEPLAIN (PIPE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.125 INCHES FIRST END IN
SPECIAL FEATURES2.896 IN. LG IN
MEDIA FOR WHICH DESIGNEDOXYGEN, GASEOUS BODY LINING
MEDIA FOR WHICH DESIGNEDOXYGEN, LIQUID FLOW CONTROL DEVICE
END ITEM IDENTIFICATIONAIRCRAFT MODEL AV-8
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
5133B-1MP-150 02CLEANSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1779AS175-2?
1779AS175-2 is a VALVE,SAFETY RELIEF,OXYGEN SYSTE.
What parts can replace 1779AS175-2?
There is 1 known substitute for 1779AS175-2: 5133B-1MP-150 02CLEAN. Substitute compatibility should be verified for your specific system.
What is the NSN for 1779AS175-2?
1779AS175-2 is cataloged in the U.S. Government catalog under NSN 4820-01-345-0274. This indicates validated use in U.S. government and defense supply chains.
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