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9D137 — SWITCH,CODE INDICATING WHEEL

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

9D137: SWITCH,CODE INDICATING WHEEL.

The SWITCH,CODE INDICATING WHEEL is a the manufacturer industrial component. Key specifications include actuator_type: THUMBWHEEL SINGLE ACTUATOR, overall_width: 2.020 INCHES NOMINAL IN, overall_height: 2.235 INCHES NOMINAL IN, overall_length: 2.590 INCHES MINIMUM AND 2.650 INCHES MAXIMUM IN, mounting_method: BRACKET(S) AND UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY, style_designator: RECTANGULAR INLINE INDICATING. This part is cataloged in the U.S.

Government catalog under NSN 4710-01-063-4242, 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
9D137
NSN: 4710-01-063-4242
NIINs: 010634242, 011565937
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
actuator_typeTHUMBWHEEL SINGLE ACTUATOR
overall_width2.020 INCHES NOMINAL IN
overall_height2.235 INCHES NOMINAL IN
overall_length2.590 INCHES MINIMUM AND 2.650 INCHES MAXIMUM IN
mounting_methodBRACKET(S) AND UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
style_designatorRECTANGULAR INLINE INDICATING
features_providedMETALLIC INCLOSURE AND RFI SHIELDING
end_item_identificationSONAR SIGNAL PROCESSING SET AN/SQR-17
mounting_facility_patternFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY
readout_indicator_marking1/17,2/18,3/19,4/20,5/21,6/22,7/23,8/24,9/25,10/26,11/27,12/28,13/29,14/30,15/31,16/32 SINGLE SECTION
contact_load_current_rating125.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL
individual_section_quantity1
NSN4710-01-063-4242
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 9D137 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9D137?
9D137 is a SWITCH,CODE INDICATING WHEEL.
What is the NSN for 9D137?
9D137 is cataloged in the U.S. Government catalog under NSN 4710-01-063-4242. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.