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3501868 — RESTRICTOR,FLUID FLOW

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

3501868: RESTRICTOR,FLUID FLOW.

The RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include length: 0.941 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN, material: STEEL COMP 303, design_type: PLATE, orifice_diameter: 0.062 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, outside_diameter: 1.000 INCHES NOMINAL IN, thread_provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-210-9722, 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
3501868
NSN: 4730-01-210-9722
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
length0.941 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN
materialSTEEL COMP 303
design_typePLATE
orifice_diameter0.062 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
outside_diameter1.000 INCHES NOMINAL IN
thread_provisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
NSN4730-01-210-9722
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3501868 · 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: 0.941 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN
•
THREAD PROVISION: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED
•
DESIGN TYPE: PLATE
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 303
•
ORIFICE DIAMETER: 0.062 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LENGTH0.941 INCHES MINIMUM AND 0.969 INCHES MAXIMUM IN
THREAD PROVISIONUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
DESIGN TYPEPLATE
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
MATERIALSTEEL COMP 303
ORIFICE DIAMETER0.062 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
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 2
3501868-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
10183259Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 3501868?
3501868 is a RESTRICTOR,FLUID FLOW.
What parts can replace 3501868?
There are 2 known substitutes for 3501868: 3501868-1, 10183259. Substitute compatibility should be verified for your specific system.
What is the NSN for 3501868?
3501868 is cataloged in the U.S. Government catalog under NSN 4730-01-210-9722. 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.