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197778-3 — HOSE ASSEMBLY,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

197778-3: HOSE ASSEMBLY,NONMETALLIC.

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include flow_angle: 90.0 DEGREES SECOND END, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 2A FIRST END A, connection_type: THREADED INTERNAL PIPE SECOND END, inside_diameter: 1.250 INCHES NOMINAL IN, connection_style: GASKET SEAL FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-342-8665, 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
197778-3
NSN: 4720-01-342-8665
FSC: 4720 — Hose and Flexible Tubing
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
flow_angle90.0 DEGREES SECOND END
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class2A FIRST END A
connection_typeTHREADED INTERNAL PIPE SECOND END
inside_diameter1.250 INCHES NOMINAL IN
connection_styleGASKET SEAL FIRST END
outside_diameter2.000 INCHES NOMINAL IN
special_featuresTWO HOSE ASSY CONNECTED BY 90 DEG ELBOW,FIRST LEG LENGTH 26.250 IN.,SECOND LEG LENGTH 27.750 IN
thread_directionRIGHT-HAND FIRST END
features_providedINTERNAL SUPPORT
operating_pressure1625.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure6500.0 POUNDS PER SQUARE INCH LBS
NSN4720-01-342-8665
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 197778-3 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 5
1808422Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
1977778Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
1977778-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1977778 ASSY 3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1808422 ITEM 26Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 197778-3?
197778-3 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 197778-3?
There are 5 known substitutes for 197778-3: 1808422, 1977778, 1977778-3 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 197778-3?
197778-3 is cataloged in the U.S. Government catalog under NSN 4720-01-342-8665. This indicates validated use in U.S. government and defense supply chains.
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