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Technical Data Sheet
PartsTable / COMPONENT / 6661N-PC1
6661N-PC1 ✓ 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 BODY,SEDIMENT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, body_length: 8.375 INCHES NOMINAL IN, mounting_type: INLET CONNECTION AND OUTLET CONNECTION SIDE NEAR TOP, style_designator: Y STRAINER W/BOLTED COVER, first_intake_connection_type: RAISED FACE FLANGE SIDE NEAR TOP, first_intake_flange_thickness: 0.812 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-133-4224, 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
6661N-PC1
NSN: 4730-01-133-4224
FSC: 4730
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL BODY
body_length8.375 INCHES NOMINAL IN
mounting_typeINLET CONNECTION AND OUTLET CONNECTION SIDE NEAR TOP
style_designatorY STRAINER W/BOLTED COVER
first_intake_connection_typeRAISED FACE FLANGE SIDE NEAR TOP
first_intake_flange_thickness0.812 INCHES NOMINAL IN
first_intake_flange_face_styleRAISED
first_intake_flange_shape_styleROUND W/UNTHREADED BOLT HOLES
first_intake_flange_outside_diameter5.250 INCHES NOMINAL IN
material_document_and_classificationMIL-S-870,SHIPS MIL SPEC ALL MATERIAL RESPONSES BODY
first_intake_flange_raised_face_height0.250 INCHES NOMINAL IN
first_intake_flange_raised_face_diameter3.125 INCHES NOMINAL IN
NSN4730-01-133-4224
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6661N-PC1 · 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
•
FIRST INTAKE FLANGE FACE STYLE: RAISED
•
FIRST INTAKE FLANGE OUTSIDE DIAMETER: 5.250 INCHES NOMINAL IN
•
MATERIAL: STEEL BODY
•
FIRST DISCHARGE CONNECTION RELATIONSHIP TO INTAKE CONNECTION: IDENTICAL TO FIRST INTAKE CONNECTION
•
FIRST INTAKE FLANGE THICKNESS: 0.812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: Y STRAINER W/BOLTED COVER
•
BODY LENGTH: 8.375 INCHES NOMINAL IN
•
FIRST INTAKE FLANGE SHAPE STYLE: ROUND W/UNTHREADED BOLT HOLES
TECHNICAL CHARACTERISTICS (FLIS)
FIRST INTAKE FLANGE FACE STYLERAISED
FIRST INTAKE FLANGE OUTSIDE DIAMETER5.250 INCHES NOMINAL IN
MATERIALSTEEL BODY
FIRST DISCHARGE CONNECTION RELATIONSHIP TO INTAKE CONNECTIONIDENTICAL TO FIRST INTAKE CONNECTION
FIRST INTAKE FLANGE THICKNESS0.812 INCHES NOMINAL IN
STYLE DESIGNATORY STRAINER W/BOLTED COVER
BODY LENGTH8.375 INCHES NOMINAL IN
FIRST INTAKE FLANGE SHAPE STYLEROUND W/UNTHREADED BOLT HOLES
MOUNTING TYPEINLET CONNECTION AND OUTLET CONNECTION SIDE NEAR TOP
FIRST INTAKE FLANGE RAISED FACE DIAMETER3.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
90-1Interchangeable
interchangeable cross-reference
interchangeable
3-609Interchangeable
interchangeable cross-reference
interchangeable
TMT-99-1Interchangeable
interchangeable cross-reference
interchangeable
14188Interchangeable
interchangeable cross-reference
interchangeable
178798Interchangeable
interchangeable cross-reference
interchangeable
832Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6661N-PC1?
6661N-PC1 is a STRAINER BODY,SEDIMENT.
What parts can replace 6661N-PC1?
There are 20 known substitutes for 6661N-PC1: 90-1, 3-609, TMT-99-1 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6661N-PC1?
6661N-PC1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-133-4224. 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