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5210310 PART 55 — CROSS,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

5210310 PART 55: CROSS,PIPE.

The CROSS,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 1.180 INCHES NOMINAL ALL ENDS IN, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: STREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS, special_features: FITTING SHALL BE PRESERVED/PACKAGED LEVEL A ORC, PACKED AS SPECIFIED IAW MIL-V-3, operating_pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-466-4885, 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
5210310 PART 55
NSN: 4730-01-466-4885
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length1.180 INCHES NOMINAL ALL ENDS IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSTREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
special_featuresFITTING SHALL BE PRESERVED/PACKAGED LEVEL A ORC, PACKED AS SPECIFIED IAW MIL-V-3
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
end_item_identificationMARS CLASS T-AFS1
media_for_which_designedWATER, SALT SINGLE RESPONSE
specification/standard_dataMIL-F-1183/4 GOVERNMENT SPECIFICATION
furnished_items_and_quantity4 BRAZING RING
nominal_pipe_size_accommodated0.750 INCHES ALL ENDS IN
NSN4730-01-466-4885
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5210310 PART 55 · 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: 4 BRAZING RING
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES ALL ENDS IN
•
CONNECTION STYLE: STREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
LEG LENGTH: 1.180 INCHES NOMINAL ALL ENDS IN
•
SPECIFICATION/STANDARD DATA: MIL-F-1183/4 GOVERNMENT SPECIFICATION
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY4 BRAZING RING
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES ALL ENDS IN
CONNECTION STYLESTREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
LEG LENGTH1.180 INCHES NOMINAL ALL ENDS IN
SPECIFICATION/STANDARD DATAMIL-F-1183/4 GOVERNMENT SPECIFICATION
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE DEGF
SPECIAL FEATURESFITTING SHALL BE PRESERVED/PACKAGED LEVEL A ORC, PACKED AS SPECIFIED IAW MIL-V-3
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 5210310 PART 55?
5210310 PART 55 is a CROSS,PIPE.
What is the NSN for 5210310 PART 55?
5210310 PART 55 is cataloged in the U.S. Government catalog under NSN 4730-01-466-4885. 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.