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55816 — ADAPTER,STRAIGHT,HOSE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

55816: ADAPTER,STRAIGHT,HOSE TO BOSS.

The ADAPTER,STRAIGHT,HOSE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2B SECOND END, connection_type: UNTHREADED EXTERNAL HOSE FIRST END, connection_style: SWIVEL NUT, GASKET SEAL (HOSE) SECOND END, special_features: USED ON COMMERCIAL COOLANT PROCESSING UNIT, nominal_thread_size: 0.688 INCHES SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-485-3328, 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
55816
NSN: 4730-00-485-3328
NIINs: 004853328, 011388828, 013042675, 015209142
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2B SECOND END
connection_typeUNTHREADED EXTERNAL HOSE FIRST END
connection_styleSWIVEL NUT, GASKET SEAL (HOSE) SECOND END
special_featuresUSED ON COMMERCIAL COOLANT PROCESSING UNIT
nominal_thread_size0.688 INCHES SECOND END IN
nominal_overall_length1.630 INCHES IN
end_item_identificationSUPPORT EQMT, F-15 AC
thread_series_designatorUNF SECOND END
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyHOSE BARB, ORS, SOCKETLESS, -6
nominal_inside_diameter_hose_accommodated0.260 INCHES FIRST END IN
NSN4730-00-485-3328
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 55816 · 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
•
FIRST END THREAD SERIES DESIGNATOR: UNF
•
WIDTH ACROSS FLATS: 0.809 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER: 0.875 INCHES NOMINAL IN
•
BODY STYLE: PLAIN
•
FIRST END THREAD CLASS: 3A A
•
FIRST END THREAD QUANTITY PER INCH: 18
•
WRENCHING FEATURE HEIGHT: 0.219 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FIRST END THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.809 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN
FIRST END THREAD DIRECTIONRIGHT-HAND
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER0.875 INCHES NOMINAL IN
BODY STYLEPLAIN
FIRST END THREAD CLASS3A A
FIRST END THREAD QUANTITY PER INCH18
WRENCHING FEATURE HEIGHT0.219 INCHES NOMINAL IN
FIRST END THREAD LENGTH0.468 INCHES NOMINAL IN
WRENCHING FEATURE STYLEHEXAGON
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 55816?
55816 is a ADAPTER,STRAIGHT,HOSE TO BOSS.
What is the NSN for 55816?
55816 is cataloged in the U.S. Government catalog under NSN 4730-00-485-3328. This indicates validated use in U.S. government and defense supply chains.
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