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3403199 — FITTING,LUBRICATION

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

3403199: FITTING,LUBRICATION.

The FITTING,LUBRICATION is a the manufacturer industrial component. Key specifications include height: 0.620 INCHES NOMINAL IN, special_features: SPECIAL THREADS; END ITEM TRUCK, TRACTOR NSN 2320-01-452-5579; NHA FIFTH WHEEL ASSEMBLY, style_designator: STRAIGHT, width_across_flats: 0.440 INCHES NOMINAL IN, nominal_thread_size: 0.375 INCHES IN, part_name_assigned_by_controlling_agency: ZERK FITTING. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-509-4952, 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
3403199
NSN: 4730-01-509-4952
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
height0.620 INCHES NOMINAL IN
special_featuresSPECIAL THREADS; END ITEM TRUCK, TRACTOR NSN 2320-01-452-5579; NHA FIFTH WHEEL ASSEMBLY
style_designatorSTRAIGHT
width_across_flats0.440 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES IN
part_name_assigned_by_controlling_agencyZERK FITTING
NSN4730-01-509-4952
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3403199 · 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
•
WIDTH ACROSS FLATS: 0.440 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
HEIGHT: 0.620 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.440 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT
NOMINAL THREAD SIZE0.375 INCHES IN
HEIGHT0.620 INCHES NOMINAL IN
SPECIAL FEATURESSPECIAL THREADS; END ITEM TRUCK, TRACTOR NSN 2320-01-452-5579; NHA FIFTH WHEEL ASSEMBLY
PART NAME ASSIGNED BY CONTROLLING AGENCYZERK FITTING
SUBSTITUTES & CROSS-REFERENCES 3
2AE404Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
6HE116Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
12423010Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3403199?
3403199 is a FITTING,LUBRICATION.
What parts can replace 3403199?
There are 3 known substitutes for 3403199: 2AE404, 6HE116, 12423010. Substitute compatibility should be verified for your specific system.
What is the NSN for 3403199?
3403199 is cataloged in the U.S. Government catalog under NSN 4730-01-509-4952. 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.