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Technical Data Sheet
PartsTable / COMPONENT / M1-251
M1-251 ✓ 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,METALLIC is a the manufacturer industrial component. Key specifications include diameter: 0.500 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5052, construction: SEAMLESS, heat_treatment: O-ANNEALED, wall_thickness: 0.049 INCHES NOMINAL IN, first_end_style: PLAIN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-279-0948, 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
M1-251
NSN: 4710-00-279-0948
FSC: 4710
CAGE: 11568 — GARDNER DENVER INC. (USA)
SPECIFICATIONS
diameter0.500 INCHES NOMINAL IN
materialALUMINUM ALLOY 5052
constructionSEAMLESS
heat_treatmentO-ANNEALED
wall_thickness0.049 INCHES NOMINAL IN
first_end_stylePLAIN
special_featuresGRUMMAN; A10 AIRCRAFT
end_item_identificationGRUMMAN A10 AIRCRAFT
cross-sectional_shape_stylePLAIN ROUND
measuring_method_and_length96.000 INCHES MINIMUM RANDOM AND 144.000 INCHES MAXIMUM RANDOM IN
nondefinitive_spec/std_data1 TYPE
specification/standard_data81348-WW-T-700 GOVERNMENT SPECIFICATION
NSN4710-00-279-0948
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: M1-251 · 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
•
DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/7 FED SPEC SINGLE MATERIAL RESPONSE
•
CONSTRUCTION: SEAMLESS
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN ROUND
•
FIRST END STYLE: PLAIN
•
HEAT TREATMENT: O-ANNEALED
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESGRUMMAN; A10 AIRCRAFT
DIAMETER0.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/7 FED SPEC SINGLE MATERIAL RESPONSE
CONSTRUCTIONSEAMLESS
NONDEFINITIVE SPEC/STD DATA1 TYPE
CROSS-SECTIONAL SHAPE STYLEPLAIN ROUND
FIRST END STYLEPLAIN
HEAT TREATMENTO-ANNEALED
MATERIALALUMINUM ALLOY 5052
WALL THICKNESS0.049 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
922K97Interchangeable
interchangeable cross-reference
interchangeable
62532Interchangeable
interchangeable cross-reference
interchangeable
T7371Interchangeable
interchangeable cross-reference
interchangeable
M1251Interchangeable
interchangeable cross-reference
interchangeable
WW-T-700-4Interchangeable
Same NIIN cross-reference
interchangeable
AMS-WW-T-700/4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M1-251?
M1-251 is a TUBE,METALLIC.
What parts can replace M1-251?
There are 7 known substitutes for M1-251: 922K97, 62532, T7371 and 4 more. Substitute compatibility should be verified for your specific system.
Is M1-251 still available?
M1-251 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