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6-6 520220C — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6-6 520220C: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL BOSS ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, style_designator: ELBOW, nominal_thread_size: 0.6875 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-611-2102, 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
6-6 520220C
NSN: 4730-01-611-2102
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL BOSS ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
style_designatorELBOW
nominal_thread_size0.6875 INCHES ALL ENDS IN
end_item_identificationLIGHT ARMORED VECHICLES
nominal_outside_diameter9.52 INCHES ALL ENDS IN
thread_quantity_per_inch20 ALL ENDS
thread_series_designatorUN ALL ENDS
part_name_assigned_by_controlling_agencyFITTING, ELBOW 90
NSN4730-01-611-2102
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6-6 520220C · 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
•
CONNECTION STYLE: PLAIN (TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL BOSS ALL ENDS
•
STYLE DESIGNATOR: ELBOW
•
NOMINAL THREAD SIZE: 0.6875 INCHES ALL ENDS IN
•
NOMINAL OUTSIDE DIAMETER: 9.52 INCHES ALL ENDS IN
•
THREAD CLASS: 2A ALL ENDS A
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
STYLE DESIGNATORELBOW
NOMINAL THREAD SIZE0.6875 INCHES ALL ENDS IN
NOMINAL OUTSIDE DIAMETER9.52 INCHES ALL ENDS IN
PART NAME ASSIGNED BY CONTROLLING AGENCYFITTING, ELBOW 90
THREAD CLASS2A ALL ENDS A
END ITEM IDENTIFICATIONLIGHT ARMORED VECHICLES
THREAD QUANTITY PER INCH20 ALL ENDS
MATERIALSTEEL OVERALL
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
J1453Reference document
Same NSN cross-reference
Reference document — Secondary reference
J1453 6-6 520220CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6-6 520220C?
6-6 520220C is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 6-6 520220C?
There are 2 known substitutes for 6-6 520220C: J1453, J1453 6-6 520220C. Substitute compatibility should be verified for your specific system.
What is the NSN for 6-6 520220C?
6-6 520220C is cataloged in the U.S. Government catalog under NSN 4730-01-611-2102. 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.