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751610-3-1 — RESTRICTOR,FLUID FLOW

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

751610-3-1: RESTRICTOR,FLUID FLOW.

The RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, design_type: TUBULAR, HEX SHAPE, thread_class: 3A ALL PROVISIONS A, thread_length: 0.250 INCHES NOMINAL ALL PROVISIONS IN, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF) ALL PROVISIONS, orifice_diameter: 0.035 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-213-3992, 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
751610-3-1
NSN: 4730-01-213-3992
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
design_typeTUBULAR, HEX SHAPE
thread_class3A ALL PROVISIONS A
thread_length0.250 INCHES NOMINAL ALL PROVISIONS IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF) ALL PROVISIONS
orifice_diameter0.035 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
thread_directionRIGHT-HAND ALL PROVISIONS
thread_provisionTHREADED ALL PROVISIONS
thread_size_designator1/4-28 ALL PROVISIONS
NSN4730-01-213-3992
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 751610-3-1 · 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
•
THREAD PROVISION: THREADED ALL PROVISIONS
•
DESIGN TYPE: TUBULAR, HEX SHAPE
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF) ALL PROVISIONS
•
THREAD LENGTH: 0.250 INCHES NOMINAL ALL PROVISIONS IN
•
THREAD DIRECTION: RIGHT-HAND ALL PROVISIONS
•
THREAD SIZE DESIGNATOR: 1/4-28 ALL PROVISIONS
•
THREAD CLASS: 3A ALL PROVISIONS A
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
THREAD PROVISIONTHREADED ALL PROVISIONS
DESIGN TYPETUBULAR, HEX SHAPE
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF) ALL PROVISIONS
THREAD LENGTH0.250 INCHES NOMINAL ALL PROVISIONS IN
THREAD DIRECTIONRIGHT-HAND ALL PROVISIONS
THREAD SIZE DESIGNATOR1/4-28 ALL PROVISIONS
THREAD CLASS3A ALL PROVISIONS A
MATERIALSTEEL CORROSION RESISTING
ORIFICE DIAMETER0.035 INCHES MINIMUM AND 0.037 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 751610-3-1?
751610-3-1 is a RESTRICTOR,FLUID FLOW.
What is the NSN for 751610-3-1?
751610-3-1 is cataloged in the U.S. Government catalog under NSN 4730-01-213-3992. 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.