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Technical Data Sheet
PartsTable / COMPONENT / P4403
P4403 ✓ 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

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include filter: NOT INCLUDED, diameter: 0.250 INCHES NOMINAL IN, material: PLASTIC POLYCHLOROTRIFLUOROETHYLENE SEAT, body_style: STRAIGHT THRU, construction: SEAMLESS, heat_treatment: ANNEALED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-277-5525, 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
P4403
NSN: 4710-00-277-5525
FSC: 4710
CAGE: 80212 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
filterNOT INCLUDED
diameter0.250 INCHES NOMINAL IN
materialPLASTIC POLYCHLOROTRIFLUOROETHYLENE SEAT
body_styleSTRAIGHT THRU
constructionSEAMLESS
heat_treatmentANNEALED
wall_thickness0.030 INCHES NOMINAL IN
first_end_stylePLAIN
special_featuresGRUMMAN; A10 AIRCRAFT
flow_control_deviceDIAPHRAGM
outlet_pressure_range0.4 TO 60.0 CAMERA MOUNT
end_connection_quantity2
NSN4710-00-277-5525
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: P4403 · 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
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MEASURING METHOD AND LENGTH: 300.000 INCHES NOMINAL SPECIFIC IN
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN ROUND
•
CONSTRUCTION: SEAMLESS
•
NONDEFINITIVE SPEC/STD DATA: 0 TEMPER
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL: COPPER
•
WALL THICKNESS: 0.030 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MEASURING METHOD AND LENGTH300.000 INCHES NOMINAL SPECIFIC IN
CROSS-SECTIONAL SHAPE STYLEPLAIN ROUND
CONSTRUCTIONSEAMLESS
NONDEFINITIVE SPEC/STD DATA0 TEMPER
DIAMETER0.250 INCHES NOMINAL IN
MATERIALCOPPER
WALL THICKNESS0.030 INCHES NOMINAL IN
HEAT TREATMENTANNEALED
FIRST END STYLEPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
47697Interchangeable
interchangeable cross-reference
interchangeable
A54916Interchangeable
interchangeable cross-reference
interchangeable
43812Interchangeable
interchangeable cross-reference
interchangeable
37892Interchangeable
interchangeable cross-reference
interchangeable
5807-5Interchangeable
interchangeable cross-reference
interchangeable
552957Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P4403?
P4403 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace P4403?
There are 24 known substitutes for P4403: 47697, A54916, 43812 and 21 more. Substitute compatibility should be verified for your specific system.
Is P4403 still available?
P4403 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