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A3097A ✓ 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 PLUG ASSEMBLY,PRESSURE FILL is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: BRONZE PLUNGER,STAINLESS STEEL BODY AND CAP,1.770 IN. LG 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 4730-00-448-4503, 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
A3097A
NSN: 4730-00-448-4503
FSC: 4730
CAGE: 97484 — EATON AEROSPACE LLC DIV FLUID AND ELECTRICAL DISTRIBUTION DIVISION (USA)
SPECIFICATIONS
general_characteristics_item_descriptionBRONZE PLUNGER,STAINLESS STEEL BODY AND CAP,1.770 IN. LG IN
NSN4730-00-448-4503
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A3097A · 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: BRONZE PLUNGER,STAINLESS STEEL BODY AND CAP,1.770 IN. LG IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRONZE PLUNGER,STAINLESS STEEL BODY AND CAP,1.770 IN. LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
86H70Interchangeable
interchangeable cross-reference
interchangeable
TUA103Interchangeable
interchangeable cross-reference
interchangeable
3737Interchangeable
interchangeable cross-reference
interchangeable
352-7500-411Interchangeable
interchangeable cross-reference
interchangeable
2N3375Interchangeable
interchangeable cross-reference
interchangeable
538092-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A3097A?
A3097A is a PLUG ASSEMBLY,PRESSURE FILL.
What parts can replace A3097A?
There are 14 known substitutes for A3097A: 86H70, TUA103, 3737 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A3097A?
A3097A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-448-4503. 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