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0505-16-16C — UNION,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

0505-16-16C: UNION,PIPE.

The UNION,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 UNION, seat_type: RECESSED, seat_angle: 30.0 DEGREES ALL ENDS, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: INVERTED FLARE (PIPE) ALL ENDS, style_designator: SCREWED. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-253-9899, 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
0505-16-16C
NSN: 4730-01-253-9899
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 316 UNION
seat_typeRECESSED
seat_angle30.0 DEGREES ALL ENDS
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_styleINVERTED FLARE (PIPE) ALL ENDS
style_designatorSCREWED
surface_treatmentPASSIVATE UNION
nominal_thread_size1.000 INCHES ALL ENDS IN
nominal_overall_length2.125 INCHES IN
thread_series_designatorNPSM ALL ENDS
furnished_items_and_quantity2 PREFORMED PACKING
material_document_and_classificationASTM A276,UNS S31600 ASSN STD SINGLE MATERIAL RESPONSE UNION
NSN4730-01-253-9899
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 0505-16-16C · 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
•
FURNISHED ITEMS AND QUANTITY: 2 PREFORMED PACKING
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE UNION
•
CONNECTION STYLE: INVERTED FLARE (PIPE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 2.125 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: SCREWED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A276,UNS S31600 ASSN STD SINGLE MATERIAL RESPONSE UNION
•
SEAT TYPE: RECESSED
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY2 PREFORMED PACKING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE UNION
CONNECTION STYLEINVERTED FLARE (PIPE) ALL ENDS
NOMINAL OVERALL LENGTH2.125 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
STYLE DESIGNATORSCREWED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276,UNS S31600 ASSN STD SINGLE MATERIAL RESPONSE UNION
SEAT TYPERECESSED
NOMINAL THREAD SIZE1.000 INCHES ALL ENDS IN
SEAT ANGLE30.0 DEGREES ALL ENDS
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0505-16-16C?
0505-16-16C is a UNION,PIPE.
What is the NSN for 0505-16-16C?
0505-16-16C is cataloged in the U.S. Government catalog under NSN 4730-01-253-9899. 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.