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655681 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

655681: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, body_width: 0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN, body_height: 0.175 INCHES MAXIMUM IN, body_length: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: BEADED (HOSE) SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-194-1095, 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
655681
NSN: 4730-00-194-1095
NIINs: 001941095, 004035010, 012295851
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
body_width0.940 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN
body_height0.175 INCHES MAXIMUM IN
body_length0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_styleBEADED (HOSE) SECOND END
special_featuresWARNING-CONTAINS BERYLLIUM OXIDE
features_providedELECTROSTATIC SENSITIVE AND SELECTED ITEM
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
surface_treatmentANODIZE OVERALL
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
nominal_thread_size0.375 INCHES FIRST END IN
NSN4730-00-194-1095
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 655681 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.375 INCHES FIRST END IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: BEADED (HOSE) SECOND END
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.500 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 2.375 INCHES IN
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE SECOND END
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES FIRST END IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEBEADED (HOSE) SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.500 INCHES SECOND END IN
NOMINAL OVERALL LENGTH2.375 INCHES IN
CONNECTION TYPEUNTHREADED EXTERNAL HOSE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
SPECIFICATION/STANDARD DATA88044-AN840 GOVERNMENT STANDARD AND 81343-AS4843/2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SUBSTITUTES & CROSS-REFERENCES 9
MPD9484-33Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
93831Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS4843/2Reference document
Same NSN cross-reference
Reference document — Secondary reference
MPD9484-33A3-39Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS4843Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-F-5509Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 655681?
655681 is a MICROCIRCUIT,DIGITAL.
What parts can replace 655681?
There are 9 known substitutes for 655681: MPD9484-33, 93831, AS4843/2 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 655681?
655681 is cataloged in the U.S. Government catalog under NSN 4730-00-194-1095. This indicates validated use in U.S. government and defense supply chains.
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