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PartsTable / COMPONENT / BM11378-100
BM11378-100 ✓ 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 BUSHING,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL, style_designator: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL), external_thread_size: 3/4 IN.-14 IN, internal_thread_size: 3/8IN.-18 IN, external_thread_direction: RIGHT-HAND, internal_thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-2169, 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
BM11378-100
NSN: 4730-00-277-2169
FSC: 4730
CAGE: 19422 — DEMARKUS CORP REFRIGERATION ENGINEERING CORP (USA)
SPECIFICATIONS
materialSTEEL
style_designatorOUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
external_thread_size3/4 IN.-14 IN
internal_thread_size3/8IN.-18 IN
external_thread_directionRIGHT-HAND
internal_thread_directionRIGHT-HAND
nondefinitive_spec/std_data2 TYPE AND A STYLE
external_screw_thread_series_designatorNPT
internal_screw_thread_series_designatorNPT
NSN4730-00-277-2169
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: BM11378-100 · 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
•
EXTERNAL THREAD SIZE: 3/4 IN.-14 IN
•
EXTERNAL SCREW THREAD SERIES DESIGNATOR: NPT
•
INTERNAL THREAD DIRECTION: RIGHT-HAND
•
INTERNAL SCREW THREAD SERIES DESIGNATOR: NPT
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND A STYLE
•
EXTERNAL THREAD DIRECTION: RIGHT-HAND
•
STYLE DESIGNATOR: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
EXTERNAL THREAD SIZE3/4 IN.-14 IN
EXTERNAL SCREW THREAD SERIES DESIGNATORNPT
INTERNAL THREAD DIRECTIONRIGHT-HAND
INTERNAL SCREW THREAD SERIES DESIGNATORNPT
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A STYLE
EXTERNAL THREAD DIRECTIONRIGHT-HAND
STYLE DESIGNATOROUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
MATERIALSTEEL
INTERNAL THREAD SIZE3/8IN.-18 IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
L75R1MMCInterchangeable
Cartridge,75 Millimeter
interchangeable
L00001270Interchangeable
Cartridge,75 Millimeter
interchangeable
405-01Interchangeable
Cartridge,75 Millimeter
interchangeable
5028-389Interchangeable
interchangeable cross-reference
interchangeable
172559Interchangeable
interchangeable cross-reference
interchangeable
1066281Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BM11378-100?
BM11378-100 is a BUSHING,PIPE.
What parts can replace BM11378-100?
There are 16 known substitutes for BM11378-100: L75R1MMC, L00001270, 405-01 and 13 more. Substitute compatibility should be verified for your specific system.
Is BM11378-100 still available?
BM11378-100 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