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401680 ✓ 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 MICROCIRCUIT,LINEAR is a the manufacturer industrial component. Key specifications include mesh_size: 100.0, body_height: 0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, style_designator: CYLINDRICAL, features_provided: HERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND ADJUSTABLE, inclosure_material: GLASS AND METAL, storage_temp_range: -65.0 TO 150.0 CELSIUS DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-611-6219, 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
401680
NSN: 4730-00-611-6219
FSC: 4730
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
mesh_size100.0
body_height0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
features_providedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND ADJUSTABLE
inclosure_materialGLASS AND METAL
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 150.0 CELSIUS DEGC
body_outside_diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
input_circuit_pattern2 INPUT
filtering_media_designMESH
end_item_identificationTELETYPEWRITER SET,TYPE AN/UGC-75( )(V)
inclosure_configurationCAN
NSN4730-00-611-6219
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 401680 · 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
•
FILTERING MEDIA DESIGN: MESH
•
STYLE DESIGNATOR: CYLINDRICAL
•
MESH SIZE: 100.0
TECHNICAL CHARACTERISTICS (FLIS)
FILTERING MEDIA DESIGNMESH
STYLE DESIGNATORCYLINDRICAL
END ITEM IDENTIFICATIONFUEL CONTROL,ENGINE,AIRCRAFT
MESH SIZE100.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
LM117HInterchangeable
interchangeable cross-reference
interchangeable
SL76737Interchangeable
interchangeable cross-reference
interchangeable
SM-A-915738Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 401680?
401680 is a MICROCIRCUIT,LINEAR.
What parts can replace 401680?
There are 3 known substitutes for 401680: LM117H, SL76737, SM-A-915738. Substitute compatibility should be verified for your specific system.
What is the NSN for 401680?
401680 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-611-6219. 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