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N37703 ✓ 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 STRAINER ELEMENT,SEDIMENT is a the manufacturer industrial component. Key specifications include length: 1.250 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, mesh_size: 7.0, wire_diameter: 0.01000 INCHES NOMINAL IN, style_designator: CYLINDRICAL, end_connection_type: PLAIN FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-812-7837, 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
N37703
NSN: 4730-00-812-7837
FSC: 4730
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
length1.250 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
mesh_size7.0
wire_diameter0.01000 INCHES NOMINAL IN
style_designatorCYLINDRICAL
end_connection_typePLAIN FIRST END
filtering_media_designMESH
element_outside_diameter0.625 INCHES NOMINAL IN
NSN4730-00-812-7837
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: N37703 · 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
•
MESH SIZE: 7.0
•
LENGTH: 1.250 INCHES NOMINAL IN
•
ELEMENT OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
•
STYLE DESIGNATOR: CYLINDRICAL
•
FILTERING MEDIA DESIGN: MESH
•
END CONNECTION TYPE: PLAIN FIRST END
•
WIRE DIAMETER: 0.01000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MESH SIZE7.0
LENGTH1.250 INCHES NOMINAL IN
ELEMENT OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
STYLE DESIGNATORCYLINDRICAL
FILTERING MEDIA DESIGNMESH
END CONNECTION TYPEPLAIN FIRST END
WIRE DIAMETER0.01000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
2021-5036-64Interchangeable
interchangeable cross-reference
interchangeable
37703Interchangeable
interchangeable cross-reference
interchangeable
38130Interchangeable
interchangeable cross-reference
interchangeable
AL10C28HC ITEM 64Interchangeable
interchangeable cross-reference
interchangeable
623133Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N37703?
N37703 is a STRAINER ELEMENT,SEDIMENT.
What parts can replace N37703?
There are 5 known substitutes for N37703: 2021-5036-64, 37703, 38130 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N37703?
N37703 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-812-7837. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026