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Technical Data Sheet
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17939R — Technical Data Sheet

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— · 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 material: COPPER ALLOY, mesh_size: 135.0, thickness: 0.0074 INCHES NOMINAL IN, wire_diameter: 0.00037 INCHES NOMINAL IN, style_designator: ROUND (BASICALLY FLAT), filtering_media_design: MESH. This part is cataloged in the Federal Logistics Information System under NSN 4730-00-530-7296, 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
17939R
NSN: 4730-00-530-7296
FSC: 4730
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY
mesh_size135.0
thickness0.0074 INCHES NOMINAL IN
wire_diameter0.00037 INCHES NOMINAL IN
style_designatorROUND (BASICALLY FLAT)
filtering_media_designMESH
end_item_identificationFUEL PUMP,ENGINE,NONAIRCRAFT
element_outside_diameter1.765 INCHES NOMINAL IN
NSN4730-00-530-7296
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 17939R · 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
•
THICKNESS: 0.0074 INCHES NOMINAL IN
•
WIRE DIAMETER: 0.00037 INCHES NOMINAL IN
•
MESH SIZE: 135.0
•
ELEMENT OUTSIDE DIAMETER: 1.765 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
•
STYLE DESIGNATOR: ROUND (BASICALLY FLAT)
•
FILTERING MEDIA DESIGN: MESH
TECHNICAL CHARACTERISTICS
THICKNESS0.0074 INCHES NOMINAL IN
WIRE DIAMETER0.00037 INCHES NOMINAL IN
END ITEM IDENTIFICATIONFUEL PUMP,ENGINE,NONAIRCRAFT
MESH SIZE135.0
ELEMENT OUTSIDE DIAMETER1.765 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
STYLE DESIGNATORROUND (BASICALLY FLAT)
FILTERING MEDIA DESIGNMESH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 37
56549InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CD5330-02513-002InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
121427InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
OT-4822InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SE-48-240VACInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
T9161357PC10InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 17939R?
17939R is a STRAINER ELEMENT,SEDIMENT.
What parts can replace 17939R?
There are 37 known substitutes for 17939R: 56549, CD5330-02513-002, 121427 and 34 more. Substitute compatibility should be verified for your specific system.
Is 17939R still available?
17939R is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026