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Technical Data Sheet
PartsTable / COMPONENT / 178545
178545 ✓ 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 TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include end_item_identification: T-33. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-307-1093, 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
178545
NSN: 4710-00-307-1093
FSC: 4710
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
end_item_identificationT-33
NSN4710-00-307-1093
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 178545 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONT-33
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
178545Interchangeable
interchangeable cross-reference
interchangeable
20726B001 REV LInterchangeable
interchangeable cross-reference
interchangeable
20726B001 REV L FIND NO. 156Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 178545?
178545 is a TUBE ASSEMBLY,METAL.
What parts can replace 178545?
There are 3 known substitutes for 178545: 178545, 20726B001 REV L, 20726B001 REV L FIND NO. 156. Substitute compatibility should be verified for your specific system.
What is the NSN for 178545?
178545 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-307-1093. 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