PartsTable
Technical Data Sheet
Download PDF

56720-1 — PLUG ASSEMBLY EXPANDABLE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

56720-1: PLUG ASSEMBLY EXPANDABLE.

The PLUG ASSEMBLY EXPANDABLE is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC AND STEEL CORROSION RESISTING, end_item_identification: ONBOARD 41 FT UTB CLASS COAST GUARD CUTTERS FT. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-104-7645, 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
56720-1
NSN: 4730-01-104-7645
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 59647 — SHAW DEVELOPMENT, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC AND STEEL CORROSION RESISTING
end_item_identificationONBOARD 41 FT UTB CLASS COAST GUARD CUTTERS FT
NSN4730-01-104-7645
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 56720-1 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 5.813 INS MIN AND 6.625 INS MAX OD; 4.313 INS ID; TEE HANDLE 6 INS LG SCREWS UNTO 5/16 IN. 18 NC HOOKSHAPED ROD, COMPRESSING TWO PLATES - ONE ABOVE THE PLUG - ONE BELOW; EXPANDING AND CAUSING CLOSURE OF PIPE WHICH WILL WITHSTAND 2 PSI AIR PRESSURES; UPPER PLATE 6.875 INS NOM OD; LOWER PLATE 5.750 INS NOM, HOOK THROAT OPENING 1.375 INS NOM, 10.500 INS NOM O/A LG IN
•
MATERIAL: RUBBER SYNTHETIC AND STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION5.813 INS MIN AND 6.625 INS MAX OD; 4.313 INS ID; TEE HANDLE 6 INS LG SCREWS UNTO 5/16 IN. 18 NC HOOKSHAPED ROD, COMPRESSING TWO PLATES - ONE ABOVE THE PLUG - ONE BELOW; EXPANDING AND CAUSING CLOSURE OF PIPE WHICH WILL WITHSTAND 2 PSI AIR PRESSURES; UPPER PLATE 6.875 INS NOM OD; LOWER PLATE 5.750 INS NOM, HOOK THROAT OPENING 1.375 INS NOM, 10.500 INS NOM O/A LG IN
END ITEM IDENTIFICATIONONBOARD 41 FT UTB CLASS COAST GUARD CUTTERS FT
MATERIALRUBBER SYNTHETIC AND STEEL CORROSION RESISTING
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 1
41UT-1602-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 56720-1?
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 56720-1?
56720-1 is a PLUG ASSEMBLY EXPANDABLE.
What parts can replace 56720-1?
There is 1 known substitute for 56720-1: 41UT-1602-7. Substitute compatibility should be verified for your specific system.
What is the NSN for 56720-1?
56720-1 is cataloged in the U.S. Government catalog under NSN 4730-01-104-7645. 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 — 56720-1