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3674307 ✓ 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 FITTING,LUBRICATION is a the manufacturer industrial component. Key specifications include angle: 90.0 DEGREES, height: 0.759 INCHES NOMINAL IN, material: STEEL OVERALL, shank_length: 0.259 INCHES NOMINAL IN, style_designator: ANGLE, surface_treatment: ZINC OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-644-5748, 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
3674307
NSN: 4730-01-644-5748
FSC: 4730
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
angle90.0 DEGREES
height0.759 INCHES NOMINAL IN
materialSTEEL OVERALL
shank_length0.259 INCHES NOMINAL IN
style_designatorANGLE
surface_treatmentZINC OVERALL
nominal_thread_size25.0 INCHES IN
end_item_identification2320-01-303-5197;TRAILER,PALLETIZED LOADING; MRAP - M-ATV
part_name_assigned_by_controlling_agencyZERK GREASE,25-28 90 DEGREE
NSN4730-01-644-5748
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3674307 · 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
•
SHANK LENGTH: 0.259 INCHES NOMINAL IN
•
HEIGHT: 0.759 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 25.0 INCHES IN
•
ANGLE: 90.0 DEGREES
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SHANK LENGTH0.259 INCHES NOMINAL IN
HEIGHT0.759 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYZERK GREASE,25-28 90 DEGREE
NOMINAL THREAD SIZE25.0 INCHES IN
ANGLE90.0 DEGREES
END ITEM IDENTIFICATION2320-01-303-5197;TRAILER,PALLETIZED LOADING; MRAP - M-ATV
SURFACE TREATMENTZINC OVERALL
MATERIALSTEEL OVERALL
STYLE DESIGNATORANGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
58812Interchangeable
interchangeable cross-reference
interchangeable
NAS907Interchangeable
interchangeable cross-reference
interchangeable
NAS907 TYDSZ12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3674307?
3674307 is a FITTING,LUBRICATION.
What parts can replace 3674307?
There are 3 known substitutes for 3674307: 58812, NAS907, NAS907 TYDSZ12. Substitute compatibility should be verified for your specific system.
What is the NSN for 3674307?
3674307 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-644-5748. 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