PartsTable
Technical Data Sheet
221-845 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: CERAMIC ENCLOSURE, body_type: SOLID, head_type: SOLID, overall_length: 0.800 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN, drive_end_style: RECESSED HEXAGON, mounting_method: TERMINAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-3380, 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
221-845
NSN: 4730-00-278-3380
FSC: 4730
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialCERAMIC ENCLOSURE
body_typeSOLID
head_typeSOLID
overall_length0.800 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN
drive_end_styleRECESSED HEXAGON
mounting_methodTERMINAL
connection_stylePLAIN
overall_diameter0.292 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
thread_directionRIGHT-HAND EXTERNAL
features_providedHERMETICALLY SEALED CASE
surface_treatmentZINC OVERALL
operating_pressure150.000 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
NSN4730-00-278-3380
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 221-845 · 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
HEAD TYPE: SOLID
THREAD SERIES DESIGNATOR: NPTF EXTERNAL
CONNECTION STYLE: PLAIN
SURFACE TREATMENT: ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NOMINAL THREAD SIZE: 0.750 INCHES EXTERNAL IN
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.750 INCHES IN
BODY TYPE: SOLID
TECHNICAL CHARACTERISTICS (FLIS)
HEAD TYPESOLID
THREAD SERIES DESIGNATORNPTF EXTERNAL
CONNECTION STYLEPLAIN
SURFACE TREATMENTZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NOMINAL THREAD SIZE0.750 INCHES EXTERNAL IN
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.750 INCHES IN
BODY TYPESOLID
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DRIVE END STYLERECESSED HEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
92A23-49Interchangeable
interchangeable cross-reference
interchangeable
92A23/49-120Interchangeable
interchangeable cross-reference
interchangeable
273469Interchangeable
interchangeable cross-reference
interchangeable
10086134Interchangeable
interchangeable cross-reference
interchangeable
5145013Interchangeable
interchangeable cross-reference
interchangeable
533539PC34Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 221-845?
221-845 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 221-845?
There are 18 known substitutes for 221-845: 92A23-49, 92A23/49-120, 273469 and 15 more. Substitute compatibility should be verified for your specific system.
Is 221-845 still available?
221-845 is currently cancelled.
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