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RD36837 — PLUG,TUBE FITTING,THREADED

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

RD36837: PLUG,TUBE FITTING,THREADED.

The PLUG,TUBE FITTING,THREADED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_height: 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN, thread_class: 3A EXTERNAL A, overall_length: 0.819 INCHES MINIMUM AND 0.839 INCHES MAXIMUM IN, connection_style: PLAIN, style_designator: PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC). This part is cataloged in the U.S.

Government catalog under NSN 4730-01-206-5603, 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
RD36837
NSN: 4730-01-206-5603
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 51663 — HYDRO-AIRE AEROSPACE CORP. DBA LEAR ROMEC DIV LEAR ROMEC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_height0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
thread_class3A EXTERNAL A
overall_length0.819 INCHES MINIMUM AND 0.839 INCHES MAXIMUM IN
connection_stylePLAIN
style_designatorPLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC)
thread_directionRIGHT-HAND EXTERNAL
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.750 INCHES EXTERNAL IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) EXTERNAL
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationCP-3001,TYPE 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN4730-01-206-5603
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: RD36837 · 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
•
HEAD HEIGHT: 0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: CP-3001,TYPE 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: PLAIN
•
STYLE DESIGNATOR: PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
NOMINAL THREAD SIZE: 0.750 INCHES EXTERNAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.350 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONCP-3001,TYPE 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEPLAIN
STYLE DESIGNATORPLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.819 INCHES MINIMUM AND 0.839 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND EXTERNAL
NOMINAL THREAD SIZE0.750 INCHES EXTERNAL IN
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A EXTERNAL A
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

No substitute or cross-reference records for this part.

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 RD36837?
RD36837 is a PLUG,TUBE FITTING,THREADED.
What is the NSN for RD36837?
RD36837 is cataloged in the U.S. Government catalog under NSN 4730-01-206-5603. 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.