PartsTable
Technical Data Sheet
221448 ✓ 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: SILICON SEMICONDUCTOR, leg_length: 0.438 INCHES NOMINAL IN, overall_length: 0.300 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, furnished_items: NIPPLE, mounting_method: THREADED STUD(S). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-177-1818, 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
221448
NSN: 4730-00-177-1818
FSC: 4730
CAGE: 5HCF1 — PRC-DESOTO INTERNATIONAL, INC. (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
leg_length0.438 INCHES NOMINAL IN
overall_length0.300 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN
connection_typeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
furnished_itemsNIPPLE
mounting_methodTHREADED STUD(S)
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
features_providedHERMETICALLY SEALED CASE
surface_treatmentDICHROMATE BODY
nominal_thread_size0.190 INCHES IN
quick_disconnect_methodSPRING PUSH-PULL ALL ENDS
NSN4730-00-177-1818
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 221448 · 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 THREAD SIZE: 0.250 INCHES ALL ENDS IN
SURFACE TREATMENT: DICHROMATE BODY
CONNECTION STYLE: PLAIN ALL ENDS
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
QUICK DISCONNECT METHOD: SPRING PUSH-PULL ALL ENDS
THREAD SERIES DESIGNATOR: NPT ALL ENDS
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
SURFACE TREATMENTDICHROMATE BODY
CONNECTION STYLEPLAIN ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
QUICK DISCONNECT METHODSPRING PUSH-PULL ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MATERIALSTEEL BODY
STYLE DESIGNATORMALE COUPLING HALF
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
12027BRInterchangeable
interchangeable cross-reference
interchangeable
12027Interchangeable
interchangeable cross-reference
interchangeable
EA74Interchangeable
interchangeable cross-reference
interchangeable
68J818008-101Interchangeable
interchangeable cross-reference
interchangeable
22683Interchangeable
interchangeable cross-reference
interchangeable
45050-1103Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 221448?
221448 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 221448?
There are 21 known substitutes for 221448: 12027BR, 12027, EA74 and 18 more. Substitute compatibility should be verified for your specific system.
Is 221448 still available?
221448 is currently cancelled.
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