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Technical Data Sheet
PartsTable / COMPONENT / 9171K45
9171K45 ✓ 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 SWITCH,CODE INDICATING WHEEL is a the manufacturer industrial component. Key specifications include material: BRASS OVERALL, body_type: SOLID, head_type: SOLID, thread_class: 2A EXTERNAL A, drive_end_style: HEXAGON, connection_style: PLAIN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-318-6184, 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
9171K45
NSN: 4730-01-318-6184
FSC: 4730
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialBRASS OVERALL
body_typeSOLID
head_typeSOLID
thread_class2A EXTERNAL A
drive_end_styleHEXAGON
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
nominal_thread_size0.750 INCHES EXTERNAL IN
thread_series_designatorNPT EXTERNAL
nominal_pipe_size_for_which_designed0.750 INCHES IN
NSN4730-01-318-6184
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 9171K45 · 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
•
DRIVE END STYLE: HEXAGON
•
MATERIAL: BRASS OVERALL
•
HEAD TYPE: SOLID
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
BODY TYPE: SOLID
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.750 INCHES IN
•
CONNECTION STYLE: PLAIN
•
THREAD SERIES DESIGNATOR: NPT EXTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
DRIVE END STYLEHEXAGON
MATERIALBRASS OVERALL
HEAD TYPESOLID
THREAD DIRECTIONRIGHT-HAND EXTERNAL
BODY TYPESOLID
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.750 INCHES IN
CONNECTION STYLEPLAIN
THREAD SERIES DESIGNATORNPT EXTERNAL
NOMINAL THREAD SIZE0.750 INCHES EXTERNAL IN
THREAD CLASS2A EXTERNAL A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
1929Interchangeable
interchangeable cross-reference
interchangeable
28205Interchangeable
interchangeable cross-reference
interchangeable
12616423Interchangeable
interchangeable cross-reference
interchangeable
3184619-3Interchangeable
interchangeable cross-reference
interchangeable
HS234526BInterchangeable
interchangeable cross-reference
interchangeable
006540-42Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9171K45?
9171K45 is a SWITCH,CODE INDICATING WHEEL.
What parts can replace 9171K45?
There are 8 known substitutes for 9171K45: 1929, 28205, 12616423 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9171K45?
9171K45 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-318-6184. 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