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A-803455 ✓ 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 CUP,GREASE is a the manufacturer industrial component. Key specifications include height: 2.500 INCHES NOMINAL IN, material: STEEL BODY, grease_capacity: 1.000 OUNCES OZ, style_designator: STRAIGHT, CAP FEED, surface_treatment: CADMIUM OR ZINC BODY, nominal_thread_size: 0.250 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-075-0903, 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
A-803455
NSN: 4730-01-075-0903
FSC: 4730
CAGE: 95402 — ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC (USA)
SPECIFICATIONS
height2.500 INCHES NOMINAL IN
materialSTEEL BODY
grease_capacity1.000 OUNCES OZ
style_designatorSTRAIGHT, CAP FEED
surface_treatmentCADMIUM OR ZINC BODY
nominal_thread_size0.250 INCHES IN
assembly_clearance_radius0.937 INCHES NOMINAL IN
specification/standard_data96906-MS35758 GOVERNMENT STANDARD
screw_thread_series_designatorNPT
NSN4730-01-075-0903
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A-803455 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
MS35758-9Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1213Interchangeable
interchangeable cross-reference
interchangeable
MILC1213Interchangeable
interchangeable cross-reference
interchangeable
MS35758-11Interchangeable
interchangeable cross-reference
interchangeable
MS35758-3CInterchangeable
interchangeable cross-reference
interchangeable
20015Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-803455?
A-803455 is a CUP,GREASE.
What parts can replace A-803455?
There are 22 known substitutes for A-803455: MS35758-9, MIL-DTL-1213, MILC1213 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-803455?
A-803455 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-075-0903. 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