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Technical Data Sheet
PartsTable / COMPONENT / 16633-38
16633-38 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: RUBBER SYNTHETIC TUBE, temp_rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF, inside_diameter: 0.250 INCHES NOMINAL IN, outside_diameter: 0.500 INCHES NOMINAL IN, inside_surface_condition: SMOOTH, media_for_which_designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-040-4531, 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
16633-38
NSN: 4720-01-040-4531
FSC: 4720
CAGE: 77294 — PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC TUBE
temp_rating-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_diameter0.250 INCHES NOMINAL IN
outside_diameter0.500 INCHES NOMINAL IN
inside_surface_conditionSMOOTH
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
cross-sectional_shape_styleROUND
measuring_method_and_length6.000 INCHES NOMINAL OVERALL IN
layer_composition_and_locationOUTER LAYER MOLDED RUBBER, SYNTHETIC
outer_covering_environmental_protectionOIL RESISTANT AND OZONE RESISTANT
NSN4720-01-040-4531
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 16633-38 · 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
•
INSIDE SURFACE CONDITION: SMOOTH
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
MEASURING METHOD AND LENGTH: 6.000 INCHES NOMINAL OVERALL IN
•
MATERIAL: RUBBER SYNTHETIC TUBE
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
LAYER COMPOSITION AND LOCATION: OUTER LAYER MOLDED RUBBER, SYNTHETIC
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE SURFACE CONDITIONSMOOTH
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
MEASURING METHOD AND LENGTH6.000 INCHES NOMINAL OVERALL IN
MATERIALRUBBER SYNTHETIC TUBE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
CROSS-SECTIONAL SHAPE STYLEROUND
LAYER COMPOSITION AND LOCATIONOUTER LAYER MOLDED RUBBER, SYNTHETIC
INSIDE DIAMETER0.250 INCHES NOMINAL IN
TEMP RATING-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
OUTER COVERING ENVIRONMENTAL PROTECTIONOIL RESISTANT AND OZONE RESISTANT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
HHG101TYPE1Interchangeable
interchangeable cross-reference
interchangeable
5615Interchangeable
interchangeable cross-reference
interchangeable
16-633Interchangeable
interchangeable cross-reference
interchangeable
SM-B-525564-2Interchangeable
interchangeable cross-reference
interchangeable
1694-1-5Interchangeable
interchangeable cross-reference
interchangeable
1P230Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 16633-38?
16633-38 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 16633-38?
There are 19 known substitutes for 16633-38: HHG101TYPE1, 5615, 16-633 and 16 more. Substitute compatibility should be verified for your specific system.
Is 16633-38 still available?
16633-38 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