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PartsTable / COMPONENT / 8909A257-001
8909A257-001 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include width: 0.372 INCHES NOMINAL IN, length: 1.000 INCHES NOMINAL IN, radius: 1.250 INCHES NOMINAL IN, material: STEEL COMP 303, thickness: 0.220 INCHES NOMINAL IN, top_style: FLAT WITH RECTANGULAR SLOT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-018-0318, 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
8909A257-001
NSN: 4720-00-018-0318
FSC: 4720
CAGE: 20722 — THE ENTWISTLE COMPANY LLC (USA)
SPECIFICATIONS
width0.372 INCHES NOMINAL IN
length1.000 INCHES NOMINAL IN
radius1.250 INCHES NOMINAL IN
materialSTEEL COMP 303
thickness0.220 INCHES NOMINAL IN
top_styleFLAT WITH RECTANGULAR SLOT
body_styleRECTANGULAR COMMUTATOR
body_width2.438 INCHES NOMINAL IN
slot_depth0.031 INCHES NOMINAL IN
slot_width0.188 INCHES NOMINAL IN
body_height4.125 INCHES NOMINAL IN
body_length4.312 INCHES NOMINAL IN
NSN4720-00-018-0318
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 8909A257-001 · 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 28
473974Interchangeable
interchangeable cross-reference
interchangeable
33166Interchangeable
interchangeable cross-reference
interchangeable
266537Interchangeable
interchangeable cross-reference
interchangeable
8700-16PC758Interchangeable
interchangeable cross-reference
interchangeable
4700-16-758Interchangeable
interchangeable cross-reference
interchangeable
60991Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8909A257-001?
8909A257-001 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 8909A257-001?
There are 28 known substitutes for 8909A257-001: 473974, 33166, 266537 and 25 more. Substitute compatibility should be verified for your specific system.
Is 8909A257-001 still available?
8909A257-001 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