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A2948 ✓ 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 ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-328-5193, 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
A2948
NSN: 4730-00-328-5193
FSC: 4730
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
general_characteristics_item_descriptionMICROWAVE OSCILLATOR 18 GHZ,PHASE LOCKED TO AN EXTERNALLY PROVIDED 10 MHZ REFERENCE SIGNAL SOURCE; 24 VOLT DC; TEMPERATURE RANGE MINUS 25 DEG C TO PLUS 71 DEG C GHz
NSN4730-00-328-5193
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A2948 · 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 13
A-1667Interchangeable
interchangeable cross-reference
interchangeable
ANSI B16.18Interchangeable
interchangeable cross-reference
interchangeable
A2599-1X3-4Interchangeable
interchangeable cross-reference
interchangeable
A2599Interchangeable
interchangeable cross-reference
interchangeable
A1389-3-8X3-8Interchangeable
interchangeable cross-reference
interchangeable
A-1389Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A2948?
A2948 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace A2948?
There are 13 known substitutes for A2948: A-1667, ANSI B16.18, A2599-1X3-4 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A2948?
A2948 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-328-5193. 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