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KC3074 — RESTRICTOR,FLUID FLOW

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

KC3074: RESTRICTOR,FLUID FLOW.

The RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include length: 0.188 INCHES NOMINAL IN, material: COPPER ALLOY, design_type: TUBULAR, thread_class: 2A LOCATION NOT OTHERWISE SPECIFIED A, thread_length: 0.094 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, thread_series: UNEF LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-354-2434, 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
KC3074
NSN: 4730-00-354-2434
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
length0.188 INCHES NOMINAL IN
materialCOPPER ALLOY
design_typeTUBULAR
thread_class2A LOCATION NOT OTHERWISE SPECIFIED A
thread_length0.094 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
thread_seriesUNEF LOCATION NOT OTHERWISE SPECIFIED
orifice_diameter0.025 INCHES NOMINAL IN
outside_diameter0.211 INCHES MINIMUM AND 0.216 INCHES MAXIMUM IN
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
thread_provisionTHREADED LOCATION NOT OTHERWISE SPECIFIED
thread_size_designator0.216-32 LOCATION NOT OTHERWISE SPECIFIED
NSN4730-00-354-2434
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: KC3074 · 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
•
LENGTH: 0.188 INCHES NOMINAL IN
•
THREAD PROVISION: THREADED LOCATION NOT OTHERWISE SPECIFIED
•
DESIGN TYPE: TUBULAR
•
THREAD SERIES: UNEF LOCATION NOT OTHERWISE SPECIFIED
•
THREAD LENGTH: 0.094 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
OUTSIDE DIAMETER: 0.211 INCHES MINIMUM AND 0.216 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
THREAD SIZE DESIGNATOR: 0.216-32 LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
LENGTH0.188 INCHES NOMINAL IN
THREAD PROVISIONTHREADED LOCATION NOT OTHERWISE SPECIFIED
DESIGN TYPETUBULAR
THREAD SERIESUNEF LOCATION NOT OTHERWISE SPECIFIED
THREAD LENGTH0.094 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE DIAMETER0.211 INCHES MINIMUM AND 0.216 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
THREAD SIZE DESIGNATOR0.216-32 LOCATION NOT OTHERWISE SPECIFIED
THREAD CLASS2A LOCATION NOT OTHERWISE SPECIFIED A
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 3
22R57-25Reference document
Same NSN cross-reference
Reference document — Secondary reference
22R57Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7539019Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KC3074?
KC3074 is a RESTRICTOR,FLUID FLOW.
What parts can replace KC3074?
There are 3 known substitutes for KC3074: 22R57-25, 22R57, 7539019. Substitute compatibility should be verified for your specific system.
What is the NSN for KC3074?
KC3074 is cataloged in the U.S. Government catalog under NSN 4730-00-354-2434. 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.