3257647 — COVER,ELECTRONIC COMMUNICATION E

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

3257647: COVER,ELECTRONIC COMMUNICATION E.

COVER,ELECTRONIC COMMUNICATION E. Key specifications include flange_style: CONTACT TYPE ALL FLANGES, flange_inside_width: 2.840 INCHES NOMINAL ALL FLANGES IN, flange_inside_height: 0.670 INCHES NOMINAL ALL FLANGES IN, flange_outside_width: 3.750 INCHES NOMINAL ALL FLANGES IN, flange_outside_height: 2.330 INCHES NOMINAL ALL FLANGES IN, voltage_standing_wave_ratio: 1.16. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-255-9557, 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

3257647

NSN: 5985-01-255-9557
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

flange_style	CONTACT TYPE ALL FLANGES
flange_quantity	2
flange_inside_width	2.840 INCHES NOMINAL ALL FLANGES IN
flange_inside_height	0.670 INCHES NOMINAL ALL FLANGES IN
flange_outside_width	3.750 INCHES NOMINAL ALL FLANGES IN
flange_outside_height	2.330 INCHES NOMINAL ALL FLANGES IN
voltage_standing_wave_ratio	1.16
flange_connecting_hole_diameter	0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
flange_connecting_facility_and_quantity	8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
NSN	5985-01-255-9557

COMPONENT DIAGRAM

KEY FEATURES

•

FLANGE INSIDE HEIGHT: 0.670 INCHES NOMINAL ALL FLANGES IN

•

FLANGE QUANTITY: 2

•

VOLTAGE STANDING WAVE RATIO: 1.16

•

FLANGE OUTSIDE HEIGHT: 2.330 INCHES NOMINAL ALL FLANGES IN

•

FLANGE CONNECTING HOLE DIAMETER: 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN

•

FLANGE INSIDE WIDTH: 2.840 INCHES NOMINAL ALL FLANGES IN

•

FLANGE OUTSIDE WIDTH: 3.750 INCHES NOMINAL ALL FLANGES IN

•

FLANGE CONNECTING FACILITY AND QUANTITY: 8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES

TECHNICAL CHARACTERISTICS

FLANGE INSIDE HEIGHT	0.670 INCHES NOMINAL ALL FLANGES IN
FLANGE QUANTITY	2
VOLTAGE STANDING WAVE RATIO	1.16
FLANGE OUTSIDE HEIGHT	2.330 INCHES NOMINAL ALL FLANGES IN
FLANGE CONNECTING HOLE DIAMETER	0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
FLANGE INSIDE WIDTH	2.840 INCHES NOMINAL ALL FLANGES IN
FLANGE OUTSIDE WIDTH	3.750 INCHES NOMINAL ALL FLANGES IN
FLANGE CONNECTING FACILITY AND QUANTITY	8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
FLANGE STYLE	CONTACT TYPE ALL FLANGES

SUBSTITUTES & CROSS-REFERENCES 2

122401Reference document

Same NSN cross-reference

Reference document — Secondary reference

52636Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedDemilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 3257647?

3257647 is a COVER,ELECTRONIC COMMUNICATION E.

What parts can replace 3257647?

There are 2 known substitutes for 3257647: 122401, 52636. Substitute compatibility should be verified for your specific system.

What is the NSN for 3257647?

3257647 is cataloged in the U.S. Government catalog under NSN 5985-01-255-9557. This indicates validated use in U.S. government and defense supply chains.

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3257647 — COVER,ELECTRONIC COMMUNICATION E

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