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PartsTable / COMPONENT / H547-1721-116L1
H547-1721-116L1 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The CLAMP,HOSE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, overall_width: 0.564 INCHES NOMINAL IN, inside_diameter: 0.688 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, style_designator: WIRE, fastening_device_type: PLAIN HEXAGON HEAD SCREW, end_item_identification: LOS ANGELES CLASS SSN (688);MISC PARTS LIST FOR SSN 0774. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-503-1680, 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
H547-1721-116L1
NSN: 4730-01-503-1680
FSC: 4730
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
overall_width0.564 INCHES NOMINAL IN
inside_diameter0.688 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
style_designatorWIRE
fastening_device_typePLAIN HEXAGON HEAD SCREW
end_item_identificationLOS ANGELES CLASS SSN (688);MISC PARTS LIST FOR SSN 0774
NSN4730-01-503-1680
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: H547-1721-116L1 · 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
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
FASTENING DEVICE TYPE: PLAIN HEXAGON HEAD SCREW
•
INSIDE DIAMETER: 0.688 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: WIRE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.564 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN (688);MISC PARTS LIST FOR SSN 0774
FASTENING DEVICE TYPEPLAIN HEXAGON HEAD SCREW
INSIDE DIAMETER0.688 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
STYLE DESIGNATORWIRE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
416968PC6REVAInterchangeable
interchangeable cross-reference
interchangeable
416968-6Interchangeable
interchangeable cross-reference
interchangeable
CT-300LBInterchangeable
interchangeable cross-reference
interchangeable
1459330Interchangeable
interchangeable cross-reference
interchangeable
10625783-1Interchangeable
interchangeable cross-reference
interchangeable
9420H BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H547-1721-116L1?
H547-1721-116L1 is a CLAMP,HOSE.
What parts can replace H547-1721-116L1?
There are 32 known substitutes for H547-1721-116L1: 416968PC6REVA, 416968-6, CT-300LB and 29 more. Substitute compatibility should be verified for your specific system.
Is H547-1721-116L1 still available?
H547-1721-116L1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026