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NH1625C225B0400 — COUPLING,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

NH1625C225B0400: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC GASKET, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: CLAMPING W/ GASKET SEAL (TUBE) ALL ENDS, style_designator: COMPRESSION CLAMP TYPE (FLEXMASTER), surface_treatment: ZINC OVERALL, nominal_overall_length: 4.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-280-8555, 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
NH1625C225B0400
NSN: 4730-01-280-8555
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 26622 — AEROQUIP CORP TRANSPORTATION PRODUCTS DIV LAWRENCE PLANT (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC GASKET
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleCLAMPING W/ GASKET SEAL (TUBE) ALL ENDS
style_designatorCOMPRESSION CLAMP TYPE (FLEXMASTER)
surface_treatmentZINC OVERALL
nominal_overall_length4.000 INCHES IN
media_for_which_designedOIL SECOND RESPONSE
furnished_items_and_quantity2 BOLT AND 2 GASKET AND 2 LOCKNUT
nominal_outside_diameter_tube_accommodated2.250 INCHES ALL ENDS IN
NSN4730-01-280-8555
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: NH1625C225B0400 · 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
•
FURNISHED ITEMS AND QUANTITY: 2 BOLT AND 2 GASKET AND 2 LOCKNUT
•
CONNECTION STYLE: CLAMPING W/ GASKET SEAL (TUBE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 4.000 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: COMPRESSION CLAMP TYPE (FLEXMASTER)
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 2.250 INCHES ALL ENDS IN
•
SURFACE TREATMENT: ZINC OVERALL
•
MEDIA FOR WHICH DESIGNED: OIL SECOND RESPONSE
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY2 BOLT AND 2 GASKET AND 2 LOCKNUT
CONNECTION STYLECLAMPING W/ GASKET SEAL (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH4.000 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATORCOMPRESSION CLAMP TYPE (FLEXMASTER)
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED2.250 INCHES ALL ENDS IN
SURFACE TREATMENTZINC OVERALL
MEDIA FOR WHICH DESIGNEDOIL SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER THIRD RESPONSE
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
T99637650012Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 NH1625C225B0400?
NH1625C225B0400 is a COUPLING,TUBE.
What parts can replace NH1625C225B0400?
There is 1 known substitute for NH1625C225B0400: T99637650012. Substitute compatibility should be verified for your specific system.
What is the NSN for NH1625C225B0400?
NH1625C225B0400 is cataloged in the U.S. Government catalog under NSN 4730-01-280-8555. 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.