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Technical Data Sheet
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GH12G ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include seat_angle: 37.0 DEGREES FIRST END, temp_rating: -40.0 CELSIUS AND 149.0 CELSIUS SINGLE RESPONSE DEGC, thread_class: 3B FIRST END, exterior_color: BLACK, connection_type: THREADED INTERNAL TUBE FIRST END, inside_diameter: 0.188 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-184-4217, 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
GH12G
NSN: 4720-01-184-4217
FSC: 4720
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
temp_rating-40.0 CELSIUS AND 149.0 CELSIUS SINGLE RESPONSE DEGC
thread_class3B FIRST END
exterior_colorBLACK
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.188 INCHES NOMINAL IN
connection_styleSWIVEL NUT FLARE FIRST END
outside_diameter0.375 INCHES NOMINAL IN
special_featuresFITTINGS MUST BE COVERED WITH HEAT SHRINKABLE POLYOLEFIN, COLOR BLACK
thread_directionRIGHT-HAND FIRST END
features_providedREUSABLE END FITTINGS
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
NSN4720-01-184-4217
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: GH12G · 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
KEY FEATURES
•
FEATURES PROVIDED: REUSABLE END FITTINGS
•
OPERATING PRESSURE: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
•
HYDROSTATIC TEST PRESSURE: 2500.0 POUNDS PER SQUARE INCH LBS
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
SPECIFICATION/STANDARD DATA: 81349-MIL-H-83796/1 GOVERNMENT SPECIFICATION
•
THREAD DIRECTION: RIGHT-HAND FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDREUSABLE END FITTINGS
OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
HYDROSTATIC TEST PRESSURE2500.0 POUNDS PER SQUARE INCH LBS
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
CROSS-SECTIONAL SHAPE STYLEROUND
SPECIFICATION/STANDARD DATA81349-MIL-H-83796/1 GOVERNMENT SPECIFICATION
THREAD DIRECTIONRIGHT-HAND FIRST END
BURST TEST PRESSURE5000.0 POUNDS PER SQUARE INCH LBS
MINIMUM INSIDE BENDING RADIUS2.000 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
MIL-DTL-83796/1Interchangeable
interchangeable cross-reference
interchangeable
M83796/1N0204AInterchangeable
interchangeable cross-reference
interchangeable
AE1000881N0204Interchangeable
interchangeable cross-reference
interchangeable
S850D0220DInterchangeable
interchangeable cross-reference
interchangeable
156001-6D-0220Interchangeable
interchangeable cross-reference
interchangeable
AE1006703G0220Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GH12G?
GH12G is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace GH12G?
There are 24 known substitutes for GH12G: MIL-DTL-83796/1, M83796/1N0204A, AE1000881N0204 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GH12G?
GH12G is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-184-4217. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026