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12681-139 — HOSE ASSEMBLY,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

12681-139: HOSE ASSEMBLY,NONMETALLIC.

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include temp_rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, exterior_color: NATURAL, vacuum_in_torr: 50.8, connection_type: THREADED INTERNAL PIPE FIRST END, inside_diameter: 0.188 INCHES NOMINAL IN, connection_style: PLAIN SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-022-8302, 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
12681-139
NSN: 4720-01-022-8302
FSC: 4720 — Hose and Flexible Tubing
CAGE: 11243 — COSMODYNE, LLC DBA COSMODYNE LLC (USA)
SPECIFICATIONS
temp_rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
exterior_colorNATURAL
vacuum_in_torr50.8
connection_typeTHREADED INTERNAL PIPE FIRST END
inside_diameter0.188 INCHES NOMINAL IN
connection_stylePLAIN SECOND END
outside_diameter0.516 INCHES NOMINAL IN
special_featuresINNER CONVEYING TUBE MATERIAL-RUBBER, SYNTHETIC
thread_directionRIGHT-HAND SECOND END
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure12000.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size0.750 INCHES FIRST END IN
NSN4720-01-022-8302
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 12681-139 · 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
•
MEASURING METHOD AND LENGTH: 72.000 INCHES NOMINAL WORKING IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MINIMUM INSIDE BENDING RADIUS: 3.000 INCHES IN
•
CONNECTION STYLE: PLAIN SECOND END
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
VACUUM IN TORR: 50.8
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH72.000 INCHES NOMINAL WORKING IN
TEMP RATING-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
MINIMUM INSIDE BENDING RADIUS3.000 INCHES IN
CONNECTION STYLEPLAIN SECOND END
CONNECTION STYLESWIVEL NUT, GASKET SEAL FIRST END
END CONNECTION DESIGNSTRAIGHT FIRST END
END CONNECTION DESIGNSTRAIGHT SECOND END
VACUUM IN TORR50.8
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED COTTON CORD AND 2ND LAYER RUBBER IMPREGNATED BRAIDED STEEL WIRE AND 3RD LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND OUTER LAYER BRAIDED BRONZE WIRE
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
OTHER ITEMS IN FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080 4720-00-000-0081 4720-00-000-0084 4720-00-000-0724 4720-00-001-0014 4720-00-001-0015 4720-00-001-0023 4720-00-001-0025
SUBSTITUTES & CROSS-REFERENCES 1
MSS12681-139Same 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 12681-139?
12681-139 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 12681-139?
There is 1 known substitute for 12681-139: MSS12681-139. Substitute compatibility should be verified for your specific system.
What is the NSN for 12681-139?
12681-139 is cataloged in the U.S. Government catalog under NSN 4720-01-022-8302. 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.