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Technical Data Sheet
PartsTable / COMPONENT / 581066
581066 ✓ 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 document_type: SERVICE BULLETIN, document_source: 96027, document_identification: NORTHWESTERN NO. 35, component_document_origin: INDUSTRIAL, component_document_page_number: 14.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-444-5739, 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
581066
NSN: 4710-00-444-5739
FSC: 4710
CAGE: 02280 — AMERICAN HOIST AND DERRICK CO
SPECIFICATIONS
document_typeSERVICE BULLETIN
document_source96027
component_quantity2
document_identificationNORTHWESTERN NO. 35
component_document_originINDUSTRIAL
component_document_page_number14
NSN4710-00-444-5739
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 581066 · 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
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
MATERIAL: COPPER ALLOY ALL ENDS
•
THREAD SERIES DESIGNATOR: UNF ALL ENDS
•
NOMINAL THREAD SIZE: 0.563 INCHES ALL ENDS IN
•
TUBE OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
END CONNECTION STYLE: SWIVEL NUT, FLARED ALL ENDS
•
SEAT ANGLE IN DEG: 37.0 ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MATERIALCOPPER ALLOY ALL ENDS
THREAD SERIES DESIGNATORUNF ALL ENDS
MATERIALCOPPER TUBING
NOMINAL THREAD SIZE0.563 INCHES ALL ENDS IN
TUBE OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
END CONNECTION STYLESWIVEL NUT, FLARED ALL ENDS
SEAT ANGLE IN DEG37.0 ALL ENDS
THREAD CLASS2A ALL ENDS A
DESIGN FORMPREBENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
581066Interchangeable
interchangeable cross-reference
interchangeable
32006Interchangeable
interchangeable cross-reference
interchangeable
581066-1Interchangeable
interchangeable cross-reference
interchangeable
110-3/16 829-70Interchangeable
interchangeable cross-reference
interchangeable
110-3/16-8297Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 581066?
581066 is a TUBE ASSEMBLY,METAL.
What parts can replace 581066?
There are 5 known substitutes for 581066: 581066, 32006, 581066-1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 581066?
581066 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-444-5739. 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