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PartsTable / COMPONENT / MAS10174
MAS10174 ✓ 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

DRAWER,STANDARDIZED COMPONENTS C. Key specifications include material: STEEL OVERALL, hole_diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.125 INCHES NOMINAL IN, overall_length: 5.70 INCHES MINIMUM AND 6.20 INCHES MAXIMUM IN, connection_type: UNTHREADED EXTERNAL TUBE FIRST ENDUNTHREADED EXTERNAL TUBE FIRST END, drive_end_shape: SQUARE FIRST END INTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-540-4251, 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
MAS10174
NSN: 4720-01-540-4251
FSC: 4720
CAGE: U7887 — NP AEROSPACE LIMITED (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.125 INCHES NOMINAL IN
overall_length5.70 INCHES MINIMUM AND 6.20 INCHES MAXIMUM IN
connection_typeUNTHREADED EXTERNAL TUBE FIRST ENDUNTHREADED EXTERNAL TUBE FIRST END
drive_end_shapeSQUARE FIRST END INTERNAL
connection_stylePLAIN (PIPE) SECOND ENDPLAIN (PIPE) SECOND END
style_designatorRIGID
aperture_diameter0.625 INCHES NOMINAL IN
features_providedMANUAL TOOL
surface_treatmentCHROMIUM OVERALL
bolt_hole_quantity2
NSN4720-01-540-4251
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: MAS10174 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
MS20426B5-5Interchangeable
interchangeable cross-reference
interchangeable
AN426B5-5Interchangeable
interchangeable cross-reference
interchangeable
81116Interchangeable
interchangeable cross-reference
interchangeable
55651Interchangeable
interchangeable cross-reference
interchangeable
B-8-TA-1-6Interchangeable
interchangeable cross-reference
interchangeable
8-6T2HFBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MAS10174?
MAS10174 is a DRAWER,STANDARDIZED COMPONENTS C.
What parts can replace MAS10174?
There are 21 known substitutes for MAS10174: MS20426B5-5, AN426B5-5, 81116 and 18 more. Substitute compatibility should be verified for your specific system.
Is MAS10174 still available?
MAS10174 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