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Technical Data Sheet
PartsTable / COMPONENT / 20000-151
20000-151 ✓ 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 BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC TUBE, exterior_color: BLACK, inside_diameter: 4.500 INCHES NOMINAL IN, special_features: AS MODIFIED BY SIZE, end_item_identification: MISSILE, inside_surface_condition: SMOOTH. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-831-1144, 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
20000-151
NSN: 4720-00-831-1144
FSC: 4720
CAGE: 54764 — MANCRAFT INDUSTRIES INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC TUBE
exterior_colorBLACK
inside_diameter4.500 INCHES NOMINAL IN
special_featuresAS MODIFIED BY SIZE
end_item_identificationMISSILE
inside_surface_conditionSMOOTH
media_for_which_designedAIR AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE
cross-sectional_shape_styleROUND
measuring_method_and_length3.250 INCHES NOMINAL OVERALL IN
nondefinitive_spec/std_data4.5 IN. ID SIZE IN
specification/standard_data81349-MIL-H-879 GOVERNMENT SPECIFICATION
departure_from_cited_documentAS MODIFIED BY PRESSURE RATINGS
NSN4720-00-831-1144
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 20000-151 · 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: RUBBER SYNTHETIC TUBE
•
EXTERIOR COLOR: BLACK
•
SPECIFICATION/STANDARD DATA: 81349-MIL-H-879 GOVERNMENT SPECIFICATION
•
NONDEFINITIVE SPEC/STD DATA: 4.5 IN. ID SIZE IN
•
MEDIA FOR WHICH DESIGNED: AIR AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
MEASURING METHOD AND LENGTH: 3.250 INCHES NOMINAL OVERALL IN
•
INSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC TUBE
EXTERIOR COLORBLACK
SPECIFICATION/STANDARD DATA81349-MIL-H-879 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA4.5 IN. ID SIZE IN
MEDIA FOR WHICH DESIGNEDAIR AND FUEL/OIL, HYDROCARBON SINGLE RESPONSE
MEASURING METHOD AND LENGTH3.250 INCHES NOMINAL OVERALL IN
INSIDE SURFACE CONDITIONSMOOTH
SPECIAL FEATURESAS MODIFIED BY SIZE
OUTER COVERING ENVIRONMENTAL PROTECTIONMILDEW RESISTANT AND OIL RESISTANT
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY PRESSURE RATINGS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
52456Interchangeable
interchangeable cross-reference
interchangeable
686LXInterchangeable
interchangeable cross-reference
interchangeable
11895Interchangeable
interchangeable cross-reference
interchangeable
20510898-1Interchangeable
interchangeable cross-reference
interchangeable
2000-015-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-8794Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20000-151?
20000-151 is a BACKSHELL,ELECTRICAL CONNECTOR.
What parts can replace 20000-151?
There are 8 known substitutes for 20000-151: 52456, 686LX, 11895 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20000-151?
20000-151 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-831-1144. 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