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LD83020E10 — COUPLING,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

LD83020E10: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R54520 OVERALL, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SWAGED W/ GROOVES (TUBE) ALL ENDS, special_features: POLYTETRAFLUOROETHYLENE COATED 0.435 IN. MAX INTO FITTING BODY; HAS A 0.625 IN.

WIDE BAND SURFACE CENTRALLY LOCATED IN, style_designator: SWAGED BOTH ENDS, surface_treatment: PLASTIC POLYTETRAFLUOROETHYLENE OUTSIDE. This part is cataloged in the U.S. Government catalog under NSN 4730-01-198-9530, 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
LD83020E10
NSN: 4730-01-198-9530
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
materialTITANIUM ALLOY UNS R54520 OVERALL
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSWAGED W/ GROOVES (TUBE) ALL ENDS
special_featuresPOLYTETRAFLUOROETHYLENE COATED 0.435 IN. MAX INTO FITTING BODY; HAS A 0.625 IN. WIDE BAND SURFACE CENTRALLY LOCATED IN
style_designatorSWAGED BOTH ENDS
surface_treatmentPLASTIC POLYTETRAFLUOROETHYLENE OUTSIDE
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp275.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length2.773 INCHES IN
end_item_identificationAIRCRAFT AV-8B, C-130, F-15, AND F-18
nominal_width_across_flats0.761 INCHES ALL ENDS IN
material_document_and_classificationAMS4921 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-01-198-9530
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: LD83020E10 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NOMINAL WIDTH ACROSS FLATS: 0.761 INCHES ALL ENDS IN
•
CONNECTION STYLE: SWAGED W/ GROOVES (TUBE) ALL ENDS
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.065 INCHES ALL ENDS IN
•
NOMINAL OVERALL LENGTH: 2.773 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: SWAGED BOTH ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS4921 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
NOMINAL WIDTH ACROSS FLATS0.761 INCHES ALL ENDS IN
CONNECTION STYLESWAGED W/ GROOVES (TUBE) ALL ENDS
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.065 INCHES ALL ENDS IN
NOMINAL OVERALL LENGTH2.773 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATORSWAGED BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4921 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES FIRST END IN
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SINGLE RESPONSE DEGF
SUBSTITUTES & CROSS-REFERENCES 5
10108954Reference document
Same NSN cross-reference
Reference document — Informative reference only
ST7M189Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
H10036E10Reference document
Same NSN cross-reference
Reference document — Secondary reference
AC1050T10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D10036E10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LD83020E10?
LD83020E10 is a COUPLING,TUBE.
What parts can replace LD83020E10?
There are 5 known substitutes for LD83020E10: 10108954, ST7M189, H10036E10 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LD83020E10?
LD83020E10 is cataloged in the U.S. Government catalog under NSN 4730-01-198-9530. 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.