PartsTable
Technical Data Sheet
Download PDF

734659PC3 — NUT,TUBE COUPLING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

734659PC3: NUT,TUBE COUPLING.

The NUT,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, nut_style: TUBE COUPLING, nut_height: 1.125 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-089-8686, 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
734659PC3
NSN: 4730-00-089-8686
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
nut_styleTUBE COUPLING
nut_height1.125 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
length_to_shoulder0.875 INCHES NOMINAL IN
width_across_flats1.375 INCHES NOMINAL IN
nominal_thread_size1.187 INCHES IN
end_item_identificationMULTI-USE
smallest_inside_diameter0.812 INCHES NOMINAL IN
thread_quantity_per_inch12
NSN4730-00-089-8686
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 734659PC3 · 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
•
LENGTH TO SHOULDER: 0.875 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 1.375 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.187 INCHES IN
•
NUT HEIGHT: 1.125 INCHES NOMINAL IN
•
NUT STYLE: TUBE COUPLING
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS
LENGTH TO SHOULDER0.875 INCHES NOMINAL IN
WIDTH ACROSS FLATS1.375 INCHES NOMINAL IN
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.187 INCHES IN
NUT HEIGHT1.125 INCHES NOMINAL IN
NUT STYLETUBE COUPLING
THREAD CLASS3B
END ITEM IDENTIFICATIONMULTI-USE
THREAD QUANTITY PER INCH12
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 734659PC3?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 734659PC3?
734659PC3 is a NUT,TUBE COUPLING.
What is the NSN for 734659PC3?
734659PC3 is cataloged in the U.S. Government catalog under NSN 4730-00-089-8686. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 734659PC3

✓ 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.