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283550-1991 — HEAT EXCHANGER,FIXED TUBE BUNDLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

283550-1991: HEAT EXCHANGER,FIXED TUBE BUNDLE.

HEAT EXCHANGER,FIXED TUBE BUNDLE. This part is cataloged in the U.S. Government catalog under NSN 5342-00-510-8947, 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
283550-1991
NSN: 5342-00-510-8947
NIINs: 005108947, 011968808
FSC: 5342 — Hardware, Weapon System
CAGE: U6441 — ATLANTIC INERTIAL SYSTEMS LIMITED (GBR)
SPECIFICATIONS
general_characteristics_item_descriptionONE PASS,6.120 IN. SHELL DIA,27.000 TUBE LG,4.500 IN. BAFFLE SPACING,0.250 IN. TUBE O/D,90-10 COPPER NICKLE TUBE AND TUBE SHEET AND BRASS BONNETT IN
NSN5342-00-510-8947
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEAT EXCHANGER,FIXED TUBE BUNDLE TITLE COMPONENT PN 283550-1991 MFR HEAT EXCHANGER,FIXED T
KEY FEATURES
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FLANGE MOUNTING HOLE DIAMETER: 0.531 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 5.625 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND W/FLANGED BUSHING FOUR-HOLE FLANGE
•
FLANGE LENGTH: 6.875 INCHES NOMINAL IN
•
SHORTEST DISTANCE BETWEEN MOUNTING HOLE CENTERS: 5.625 INCHES NOMINAL IN
•
HEIGHT: 3.563 INCHES NOMINAL IN
•
THREAD SIZE: 0.625-11 ALL THREADED PORTIONS
TECHNICAL CHARACTERISTICS
FLANGE MOUNTING HOLE DIAMETER0.531 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS5.625 INCHES NOMINAL IN
FLANGE THICKNESS0.188 INCHES NOMINAL IN
STYLE DESIGNATORROUND W/FLANGED BUSHING FOUR-HOLE FLANGE
FLANGE LENGTH6.875 INCHES NOMINAL IN
SHORTEST DISTANCE BETWEEN MOUNTING HOLE CENTERS5.625 INCHES NOMINAL IN
HEIGHT3.563 INCHES NOMINAL IN
THREAD SIZE0.625-11 ALL THREADED PORTIONS
SURFACE TREATMENTCADMIUM NUT
FLANGE WIDTH6.875 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
C3400T10GReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 283550-1991?
283550-1991 is a HEAT EXCHANGER,FIXED TUBE BUNDLE.
What parts can replace 283550-1991?
There is 1 known substitute for 283550-1991: C3400T10G. Substitute compatibility should be verified for your specific system.
What is the NSN for 283550-1991?
283550-1991 is cataloged in the U.S. Government catalog under NSN 5342-00-510-8947. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.