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534-7786 — CORE ASSEMBLY,FLUID HEATER,INDUS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

534-7786: CORE ASSEMBLY,FLUID HEATER,INDUS.

CORE ASSEMBLY,FLUID HEATER,INDUS. Key specifications include special_features: OUTER TUBE BUNDLE, style_designator: STRAIGHT PLAIN TUBE, CYLINDRICAL, heat_transfer_method: INDIRECT, end_item_identification: AQUA-CHEM HEATER MODEL D60BC TYPE D. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-044-3506, 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
534-7786
NSN: 5340-01-044-3506
NIINs: 010443506, 012328323
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
special_featuresOUTER TUBE BUNDLE
style_designatorSTRAIGHT PLAIN TUBE, CYLINDRICAL
heat_transfer_methodINDIRECT
end_item_identificationAQUA-CHEM HEATER MODEL D60BC TYPE D
NSN5340-01-044-3506
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 534-7786 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LUG HOLE DIAMETER: 0.189 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
•
CUSHIONING ENVIRONMENTAL PROTECTION: WEATHER RESISTANT
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CENTER TO CENTER DISTANCE BETWEEN LOOP AND LUG HOLE: 0.858 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
•
DISTANCE FROM OUTER EDGE OF LUG TO HOLE CENTER: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RIGHT HAND CLAMP & BRACKET
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION
•
DIAMETER: 0.189 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LUG HOLE DIAMETER0.189 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
CUSHIONING ENVIRONMENTAL PROTECTIONWEATHER RESISTANT
CENTER TO CENTER DISTANCE BETWEEN LOOP AND LUG HOLE0.858 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
DISTANCE FROM OUTER EDGE OF LUG TO HOLE CENTER0.250 INCHES NOMINAL IN
STYLE DESIGNATORRIGHT HAND CLAMP & BRACKET
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE BAND
DIAMETER0.189 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
OVERALL WIDTH0.625 INCHES NOMINAL IN
MATERIAL THICKNESS0.048 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
BACC10K14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 534-7786?
534-7786 is a CORE ASSEMBLY,FLUID HEATER,INDUS.
What parts can replace 534-7786?
There is 1 known substitute for 534-7786: BACC10K14. Substitute compatibility should be verified for your specific system.
What is the NSN for 534-7786?
534-7786 is cataloged in the U.S. Government catalog under NSN 5340-01-044-3506. 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.