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Technical Data Sheet
PartsTable / COMPONENT / 203973PC7
203973PC7 ✓ 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: 3.438 INCHES NOMINAL IN, material: NICKEL ALLOY, mesh_size: 70.0, wire_diameter: 0.00650 INCHES NOMINAL IN, special_features: W/COLLAR AT ONE END, style_designator: CYLINDRICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-064-7588, 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
203973PC7
NSN: 4730-00-064-7588
FSC: 4730
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
length3.438 INCHES NOMINAL IN
materialNICKEL ALLOY
mesh_size70.0
wire_diameter0.00650 INCHES NOMINAL IN
special_featuresW/COLLAR AT ONE END
style_designatorCYLINDRICAL
end_connection_typeTHREADED FIRST END
nominal_thread_size0.938 INCHES FIRST END IN
filtering_media_designMESH
element_outside_diameter0.594 INCHES NOMINAL IN
thread_series_designatorUNS FIRST END
NSN4730-00-064-7588
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 203973PC7 · 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
•
STYLE DESIGNATOR: CYLINDRICAL
•
NOMINAL THREAD SIZE: 0.938 INCHES FIRST END IN
•
MATERIAL: NICKEL ALLOY
•
LENGTH: 3.438 INCHES NOMINAL IN
•
END CONNECTION TYPE: THREADED FIRST END
•
ELEMENT OUTSIDE DIAMETER: 0.594 INCHES NOMINAL IN
•
WIRE DIAMETER: 0.00650 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCYLINDRICAL
NOMINAL THREAD SIZE0.938 INCHES FIRST END IN
MATERIALNICKEL ALLOY
LENGTH3.438 INCHES NOMINAL IN
SPECIAL FEATURESW/COLLAR AT ONE END
END CONNECTION TYPETHREADED FIRST END
ELEMENT OUTSIDE DIAMETER0.594 INCHES NOMINAL IN
WIRE DIAMETER0.00650 INCHES NOMINAL IN
MESH SIZE70.0
FILTERING MEDIA DESIGNMESH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
101156Interchangeable
interchangeable cross-reference
interchangeable
21-195Interchangeable
interchangeable cross-reference
interchangeable
332773-1Interchangeable
interchangeable cross-reference
interchangeable
A-A-55485/02-017DInterchangeable
interchangeable cross-reference
interchangeable
10001MInterchangeable
interchangeable cross-reference
interchangeable
101156-2 BB PTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203973PC7?
203973PC7 is a STRAINER ELEMENT,SEDIMENT.
What parts can replace 203973PC7?
There are 16 known substitutes for 203973PC7: 101156, 21-195, 332773-1 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 203973PC7?
203973PC7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-064-7588. 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