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Technical Data Sheet
PartsTable / MRO / 628426
628426 ✓ Verified by PartsTable
— · 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

RECEIVER SUBASSEMBLY,COUNTERMEAS. Key specifications include design_form: PREBENT, special_features: ALSO C/O SPLIT STIRLING COOLER 1, PLENUM COOLER 1, AXIMAX2 FAN 1, HIGH VOLTAGE DECAL 1, O-RING 1, mating_end_quantity: 2 SINGLE END, end_item_identification: AN/AAR-44 INFRARED WARNING RECEIVER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-01-273-3745, 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→ 628426
NSN: 4710-01-273-3745
FSC: 4710
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
design_formPREBENT
special_featuresALSO C/O SPLIT STIRLING COOLER 1, PLENUM COOLER 1, AXIMAX2 FAN 1, HIGH VOLTAGE DECAL 1, O-RING 1
mating_end_quantity2 SINGLE END
end_item_identificationAN/AAR-44 INFRARED WARNING RECEIVER
component_type_and_quantity1 DETECTOR AND 3 CAPACITOR AND 2 COVER AND 4 TERMINAL AND 1 PLATE AND 5 SUPPORT AND 36 SCREW AND 1 CONNECTOR AND 41 WASHER AND 5 NUT AND 5 CLAMP AND 1 BACKSHELL
NSN4710-01-273-3745
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 628426 · 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
•
DESIGN FORM: PREBENT
•
MATING END QUANTITY: 2 SINGLE END
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN FORMPREBENT
SPECIAL FEATURESMINE SWEEPING SLED MK105 MODIFICATION 1,EDO CORP GOVT SYSTEMS DIV
MATING END QUANTITY2 SINGLE END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
628422Interchangeable
interchangeable cross-reference
interchangeable
628426Interchangeable
interchangeable cross-reference
interchangeable
3646Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 628426?
628426 is a RECEIVER SUBASSEMBLY,COUNTERMEAS. It is classified as a MRO (MRO_GENERAL).
What parts can replace 628426?
There are 3 known substitutes for 628426: 628422, 628426, 3646. Substitute compatibility should be verified for your specific system.
What is the NSN for 628426?
628426 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-01-273-3745. 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