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Technical Data Sheet
PartsTable / COMPONENT / 77B 1/4 ID
77B 1/4 ID ✓ 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 77B 1/4 ID is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-769-6675, 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
77B 1/4 ID
NSN: 4720-00-769-6675
FSC: 4720
CAGE: 24161 — GATES CORPORATION (USA)
SPECIFICATIONS
Part Number77B 1/4 ID
NSN4720-00-769-6675
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 77B 1/4 ID · 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
•
MATERIAL: PLASTIC POLYAMIDE NYLON TUBE
•
MEDIA FOR WHICH DESIGNED: PAINT SINGLE RESPONSE
•
OPERATING PRESSURE: 190.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
INSIDE SURFACE CONDITION: SMOOTH
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
EXTERIOR COLOR: BLACK
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER WOVEN POLYESTER FIBER CORD AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYAMIDE NYLON TUBE
MEDIA FOR WHICH DESIGNEDPAINT SINGLE RESPONSE
OPERATING PRESSURE190.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
INSIDE SURFACE CONDITIONSMOOTH
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
EXTERIOR COLORBLACK
LAYER COMPOSITION AND LOCATION1ST LAYER WOVEN POLYESTER FIBER CORD AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
INSIDE DIAMETER0.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
288A896AEP14Interchangeable
interchangeable cross-reference
interchangeable
22839PIECE24Interchangeable
interchangeable cross-reference
interchangeable
PMI2GInterchangeable
interchangeable cross-reference
interchangeable
28625Interchangeable
interchangeable cross-reference
interchangeable
WINGF00TBT1-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77B 1/4 ID?
77B 1/4 ID is a 77B 1/4 ID.
What parts can replace 77B 1/4 ID?
There are 5 known substitutes for 77B 1/4 ID: 288A896AEP14, 22839PIECE24, PMI2G and 2 more. Substitute compatibility should be verified for your specific system.
Is 77B 1/4 ID still available?
77B 1/4 ID is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026