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Technical Data Sheet
PartsTable / COMPONENT / 2621-225-03ASSY58
2621-225-03ASSY58 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The HOSE ASSEMBLY,METALLIC is a the manufacturer industrial component. Key specifications include connection_type: UNTHREADED EXTERNAL TUBE FIRST END, inside_diameter: 0.750 INCHES NOMINAL IN, features_provided: IDENTICAL ENDS, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS, end_connection_design: STRAIGHT FIRST END, end_item_identification: SHIP, VALVES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-522-0625, 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
2621-225-03ASSY58
NSN: 4720-01-522-0625
FSC: 4720
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
connection_typeUNTHREADED EXTERNAL TUBE FIRST END
inside_diameter0.750 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL; INNER TUBE AND OUTER COVER SMOOTH BRONZE TUBES; ENDS HAVE SOCKET FOR .625 INCH O.D. TUBE/PIPE; DOGLEG ASSEMBLY WITH ONE 90 DEGREE ELBOW, 13.375 INCH FROM EACH END IN
features_providedIDENTICAL ENDS
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
end_connection_designSTRAIGHT FIRST END
end_item_identificationSHIP, VALVES
inner_conveying_tube_styleANNULAR CLOSE-PITCH CORRUGATED
cross-sectional_shape_styleROUND
criticality_code_justificationFEAT
layer_composition_and_location1ST LAYER CORRUGATED COPPER
part_name_assigned_by_controlling_agencyFLEXIBLE FITTING
NSN4720-01-522-0625
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 2621-225-03ASSY58 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
FEATURES PROVIDED: IDENTICAL ENDS
•
CONNECTION TYPE: UNTHREADED EXTERNAL TUBE FIRST END
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
FEATURES PROVIDEDIDENTICAL ENDS
END ITEM IDENTIFICATIONSHIP, VALVES
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL; INNER TUBE AND OUTER COVER SMOOTH BRONZE TUBES; ENDS HAVE SOCKET FOR .625 INCH O.D. TUBE/PIPE; DOGLEG ASSEMBLY WITH ONE 90 DEGREE ELBOW, 13.375 INCH FROM EACH END IN
CONNECTION TYPEUNTHREADED EXTERNAL TUBE FIRST END
PART NAME ASSIGNED BY CONTROLLING AGENCYFLEXIBLE FITTING
END CONNECTION DESIGNSTRAIGHT FIRST END
CRITICALITY CODE JUSTIFICATIONFEAT
INNER CONVEYING TUBE STYLEANNULAR CLOSE-PITCH CORRUGATED
LAYER COMPOSITION AND LOCATION1ST LAYER CORRUGATED COPPER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
2621-225-03Interchangeable
interchangeable cross-reference
interchangeable
4677577-0F11MInterchangeable
interchangeable cross-reference
interchangeable
2621-225-03 ASSY 211Interchangeable
interchangeable cross-reference
interchangeable
801-6640963PC19A-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-24135/1-20TYDInterchangeable
interchangeable cross-reference
interchangeable
801-6640963PC19-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2621-225-03ASSY58?
2621-225-03ASSY58 is a HOSE ASSEMBLY,METALLIC.
What parts can replace 2621-225-03ASSY58?
There are 17 known substitutes for 2621-225-03ASSY58: 2621-225-03, 4677577-0F11M, 2621-225-03 ASSY 211 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2621-225-03ASSY58?
2621-225-03ASSY58 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-522-0625. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026