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LD83020-20 — COUPLING,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

LD83020-20: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-10 OVERALL, connection_style: SWAGED W/ GROOVES (TUBE) ALL ENDS, style_designator: PLAIN W/TAPERED ENDS, surface_treatment: PASSIVATE OUTSIDE, nominal_overall_length: 3.407 INCHES IN, material_document_and_classification: AMS 5656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-008-9858, 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
LD83020-20
NSN: 4730-00-008-9858
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
materialSTEEL COMP XM-10 OVERALL
connection_styleSWAGED W/ GROOVES (TUBE) ALL ENDS
special_featuresTHE INTERNAL SURFACE OF THEPERMASWAGE END,WILL BE POLYTETRAFLOROETHYLENE COATED,PER DEUTSCHCO,SPEC NO. DMCPS1009,TO 0.325 IN. MIN 0.350 IN. MAX,INTO THEFITTING BORE IN
style_designatorPLAIN W/TAPERED ENDS
surface_treatmentPASSIVATE OUTSIDE
nominal_overall_length3.407 INCHES IN
material_document_and_classificationAMS 5656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated1.250 INCHES ALL ENDS IN
surface_treatment_document_and_classificationMIL-F-14072,E300,TY2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
NSN4730-00-008-9858
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: LD83020-20 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
•
CONNECTION STYLE: SWAGED W/ GROOVES (TUBE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 3.407 INCHES IN
•
STYLE DESIGNATOR: PLAIN W/TAPERED ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.250 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300,TY2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
CONNECTION STYLESWAGED W/ GROOVES (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH3.407 INCHES IN
STYLE DESIGNATORPLAIN W/TAPERED ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.250 INCHES ALL ENDS IN
SPECIAL FEATURESTHE INTERNAL SURFACE OF THEPERMASWAGE END,WILL BE POLYTETRAFLOROETHYLENE COATED,PER DEUTSCHCO,SPEC NO. DMCPS1009,TO 0.325 IN. MIN 0.350 IN. MAX,INTO THEFITTING BORE IN
SURFACE TREATMENTPASSIVATE INSIDE
SURFACE TREATMENTPASSIVATE OUTSIDE
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 2
D10036-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
H10036-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LD83020-20?
LD83020-20 is a COUPLING,TUBE.
What parts can replace LD83020-20?
There are 2 known substitutes for LD83020-20: D10036-20, H10036-20. Substitute compatibility should be verified for your specific system.
What is the NSN for LD83020-20?
LD83020-20 is cataloged in the U.S. Government catalog under NSN 4730-00-008-9858. 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.