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Technical Data Sheet
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251-10 — Technical Data Sheet

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Dataflex · MRO · MRO_GENERAL
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

Polar is a high-end solution for convenient power and data connectivity at your fingertips. Boasting exceptional design and build quality, adding a touch of contemporary style to any workspace. The removable endcaps and replaceable socket frames make it easy to modify the shape of the unit even after installation, ensuring maximum flexibility.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-037-6740, 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
MRO→ MRO_GENERAL→ 251-10
NSN: 4710-00-037-6740
FSC: 4710
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
colorRED LENS
filterNOT INCLUDED
adapterNOT INCLUDED
diameter0.265 INCHES NOMINAL IN
materialRUBBER CUSHION
body_styleBUSHING MOUNT
body_width1.375 INCHES NOMINAL IN
point_typeCONVENTIONAL
spray_typeHOLLOW
body_height0.986 INCHES NOMINAL IN
body_length1.812 INCHES NOMINAL IN
design_formSTRAIGHT
NSN4710-00-037-6740
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 251-10 · Dataflex ⚠ 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
•
NOMINAL THREAD SIZE: 0.312 INCHES SINGLE END IN
•
MATERIAL: COPPER ALLOY 360 SINGLE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4574 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4575 ASSN STD SINGLE MATERIAL RESPONSE TUBING
•
END CONNECTION SPEC/STD: AN,AN805,PART NO. AN805-2
•
DESIGN FORM: STRAIGHT
•
SEAT RADIUS: 0.141 INCHES NOMINAL SINGLE END IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.312 INCHES SINGLE END IN
MATERIALCOPPER ALLOY 360 SINGLE END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4574 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4575 ASSN STD SINGLE MATERIAL RESPONSE TUBING
MATERIALNICKEL ALLOY 400 OR NICKEL ALLOY 400 TUBING
END CONNECTION SPEC/STDAN,AN805,PART NO. AN805-2
SPECIAL FEATURESONE EXTERNAL INSULATOR,12.000 IN. LG,FLEXIBLE,COTTON OR RAYON BRAID,VARNISHED IN
DESIGN FORMSTRAIGHT
SEAT RADIUS0.141 INCHES NOMINAL SINGLE END IN
TUBE OUTSIDE DIAMETER0.125 INCHES NOMINAL IN
OVERALL LENGTH24.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
53138Interchangeable
interchangeable cross-reference
interchangeable
2410 19/32Interchangeable
interchangeable cross-reference
interchangeable
C12199Interchangeable
interchangeable cross-reference
interchangeable
NA724527-1Interchangeable
interchangeable cross-reference
interchangeable
A3/761006-1Interchangeable
interchangeable cross-reference
interchangeable
3305568-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 251-10?
251-10 is a BRUSH SET,ELECTRICAL CONTACT manufactured by Dataflex. It is classified as a MRO (MRO_GENERAL).
What parts can replace 251-10?
There are 26 known substitutes for 251-10: 53138, 2410 19/32, C12199 and 23 more. Substitute compatibility should be verified for your specific system.
Is 251-10 still available?
251-10 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: September 2026