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Technical Data Sheet
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6400812 ✓ 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,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: SMOKE AMPOULE, AIRFLOW INDICATOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-925-8039, 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
6400812
NSN: 4730-00-925-8039
FSC: 4730
CAGE: 5E240 — BRENNAN INDUSTRIES (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencySMOKE AMPOULE, AIRFLOW INDICATOR
NSN4730-00-925-8039
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6400812 · 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 23
7732Interchangeable
interchangeable cross-reference
interchangeable
10548830Interchangeable
interchangeable cross-reference
interchangeable
5850001273916Interchangeable
interchangeable cross-reference
interchangeable
4HC47Interchangeable
interchangeable cross-reference
interchangeable
1961-BInterchangeable
interchangeable cross-reference
interchangeable
HIAB9906185Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6400812?
6400812 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 6400812?
There are 23 known substitutes for 6400812: 7732, 10548830, 5850001273916 and 20 more. Substitute compatibility should be verified for your specific system.
Is 6400812 still available?
6400812 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026