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Technical Data Sheet
PartsTable / COMPONENT / 53643-21
53643-21 ✓ 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 material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 1.367 INCHES MINIMUM AND 1.407 INCHES MAXIMUM IN, center_hole_diameter: 1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, end_item_identification: NSN 2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-451-2712, 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
53643-21
NSN: 4720-00-451-2712
FSC: 4720
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter1.367 INCHES MINIMUM AND 1.407 INCHES MAXIMUM IN
center_hole_diameter1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
end_item_identificationNSN 2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM)
NSN4720-00-451-2712
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 53643-21 · 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
•
OPERATING PRESSURE: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
•
OUTER COVERING ENVIRONMENTAL PROTECTION: CORROSION RESISTANT
•
HYDROSTATIC TEST PRESSURE: 2000.0 POUNDS PER SQUARE INCH LBS
•
NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN
•
LAYER COMPOSITION AND LOCATION: OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
•
SEAT ANGLE: 37.0 DEGREES FIRST END
•
BURST TEST PRESSURE: 10000.0 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
OUTER COVERING ENVIRONMENTAL PROTECTIONCORROSION RESISTANT
HYDROSTATIC TEST PRESSURE2000.0 POUNDS PER SQUARE INCH LBS
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
LAYER COMPOSITION AND LOCATIONOUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
SPECIAL FEATURESSWAGED END FITTINGS
SEAT ANGLE37.0 DEGREES FIRST END
BURST TEST PRESSURE10000.0 POUNDS PER SQUARE INCH LBS
INSIDE SURFACE CONDITIONSMOOTH
MEASURING METHOD AND LENGTH12.000 INCHES NOMINAL OVERALL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
2-216 N304-75Interchangeable
interchangeable cross-reference
interchangeable
W 4072 485 ALInterchangeable
interchangeable cross-reference
interchangeable
1717-216Interchangeable
interchangeable cross-reference
interchangeable
S24304S604604-12Interchangeable
Same NIIN cross-reference
interchangeable
C50050004-77-120Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 53643-21?
53643-21 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 53643-21?
There are 5 known substitutes for 53643-21: 2-216 N304-75, W 4072 485 AL, 1717-216 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 53643-21?
53643-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-451-2712. 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