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336943 — DIAPHRAGM,PUMP,SPECIAL SHAPED

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

336943: DIAPHRAGM,PUMP,SPECIAL SHAPED.

The DIAPHRAGM,PUMP,SPECIAL SHAPED is a the manufacturer industrial component. Key specifications include material: STEEL, pressure_rating: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, part_name_assigned_by_controlling_agency: DIAPHRAGM PUMP. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-028-1609, 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
336943
NSN: 4730-00-028-1609
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL
pressure_rating100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
part_name_assigned_by_controlling_agencyDIAPHRAGM PUMP
NSN4730-00-028-1609
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 336943 · 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
SUBSTITUTES & CROSS-REFERENCES 3
331910Reference document
Same NSN cross-reference
Reference document — Secondary reference
241906Reference document
Same NSN cross-reference
Reference document — Secondary reference
349377Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 336943?
336943 is a DIAPHRAGM,PUMP,SPECIAL SHAPED.
What parts can replace 336943?
There are 3 known substitutes for 336943: 331910, 241906, 349377. Substitute compatibility should be verified for your specific system.
What is the NSN for 336943?
336943 is cataloged in the U.S. Government catalog under NSN 4730-00-028-1609. 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.