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12-257 ✓ Verified by PartsTable
Legrand · 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 CONNECTOR,PLUG,ELECTRICAL is a Legrand industrial component. Key specifications include material: CERAMIC, point_type: CONVENTIONAL, point_angle: 118.0 DEGREES NOMINAL, shank_style: STANDARD TAPER W/TANG, flute_length: 6.625 INCHES NOMINAL IN, overall_length: 11.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-097-0588, 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
12-257
NSN: 4720-00-097-0588
FSC: 4720
CAGE: 27315 — MORRIS MATERIAL HANDLING, INC. (USA)
SPECIFICATIONS
materialCERAMIC
point_typeCONVENTIONAL
point_angle118.0 DEGREES NOMINAL
shank_styleSTANDARD TAPER W/TANG
flute_length6.625 INCHES NOMINAL IN
flute_quantity2
overall_length11.250 INCHES NOMINAL IN
shank_diameter0.043 INCHES NOMINAL IN
special_featuresEND ITEM: DIGITAL COMPUTER (0205021G1 ) ITEM IS 230 WATTS.
cutting_end_styleGENERAL PURPOSE
end_item_identificationAN/UMQ-12A, MINI-RAWIN SYS, GPS CAPA A
nominal_cutting_diameter1.0625 INCHES IN
NSN4720-00-097-0588
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 12-257 · Legrand ⚠ 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 17
24996Interchangeable
interchangeable cross-reference
interchangeable
503-S 57Interchangeable
interchangeable cross-reference
interchangeable
350-RTInterchangeable
interchangeable cross-reference
interchangeable
44127Interchangeable
interchangeable cross-reference
interchangeable
C12257Interchangeable
interchangeable cross-reference
interchangeable
110 1-1/16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12-257?
12-257 is a CONNECTOR,PLUG,ELECTRICAL manufactured by Legrand.
What parts can replace 12-257?
There are 17 known substitutes for 12-257: 24996, 503-S 57, 350-RT and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12-257?
12-257 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-097-0588. 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