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Technical Data Sheet
PartsTable / COMPONENT / 77331
77331 ✓ 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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: PLASTIC POLYAMIDE NYLON TUBE, temp_rating: 75.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 0.180 INCHES NOMINAL IN, outside_diameter: 0.250 INCHES NOMINAL IN, burst_test_pressure: 1000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS, end_item_identification: 3930-01-330-8907. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-371-2616, 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
77331
NSN: 4720-01-371-2616
FSC: 4720
CAGE: 0BPN7 — TIFCO INDUSTRIES, INC. DBA TIFCO INDUSTRIES INC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON TUBE
temp_rating75.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter0.180 INCHES NOMINAL IN
outside_diameter0.250 INCHES NOMINAL IN
burst_test_pressure1000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
end_item_identification3930-01-330-8907
inside_surface_conditionSMOOTH
cross-sectional_shape_styleROUND
measuring_method_and_length1.0 FEET NOMINAL OVERALL FT
outer_covering_environmental_protectionABRASION RESISTANT AND GREASE RESISTANT AND ALKALI RESISTANT AND CORROSION RESISTANT AND OIL RESISTANT AND SALT WATER RESISTANT
NSN4720-01-371-2616
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 77331 · 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
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTER COVERING ENVIRONMENTAL PROTECTION: ABRASION RESISTANT AND GREASE RESISTANT AND ALKALI RESISTANT AND CORROSION RESISTANT AND OIL RESISTANT AND SALT WATER RESISTANT
•
MEASURING METHOD AND LENGTH: 1.0 FEET NOMINAL OVERALL FT
•
TEMP RATING: 75.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
INSIDE SURFACE CONDITION: SMOOTH
•
BURST TEST PRESSURE: 1000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
•
MATERIAL: PLASTIC POLYAMIDE NYLON TUBE
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
END ITEM IDENTIFICATION3930-01-330-8907
OUTER COVERING ENVIRONMENTAL PROTECTIONABRASION RESISTANT AND GREASE RESISTANT AND ALKALI RESISTANT AND CORROSION RESISTANT AND OIL RESISTANT AND SALT WATER RESISTANT
MEASURING METHOD AND LENGTH1.0 FEET NOMINAL OVERALL FT
TEMP RATING75.0 FAHRENHEIT SINGLE RESPONSE DEGF
INSIDE SURFACE CONDITIONSMOOTH
BURST TEST PRESSURE1000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
MATERIALPLASTIC POLYAMIDE NYLON TUBE
INSIDE DIAMETER0.180 INCHES NOMINAL IN
OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
311-0426-00Interchangeable
interchangeable cross-reference
interchangeable
36593Interchangeable
interchangeable cross-reference
interchangeable
311-426Interchangeable
interchangeable cross-reference
interchangeable
MS39242-24Interchangeable
interchangeable cross-reference
interchangeable
LMX95Interchangeable
interchangeable cross-reference
interchangeable
7-074-000093Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77331?
77331 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace 77331?
There are 9 known substitutes for 77331: 311-0426-00, 36593, 311-426 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77331?
77331 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-371-2616. 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