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310-303 — SWITCH,ROTARY

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

310-303: SWITCH,ROTARY.

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include scale_range: +90.0 TO 400.0 DEG FAHRENHEIT SINGLE INDICATOR SINGLE SCALE, thread_class: 2A SINGLE MOUNTING FACILITY A, overall_width: 1.375 INCHES NOMINAL IN, terminal_type: TAB, SOLDER LUG, overall_height: 1.531 INCHES NOMINAL IN, mounting_method: THREADED BUSHING SINGLE MOUNTING FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-563-4906, 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
MRO→ MRO_GENERAL→ 310-303
NSN: 5305-00-563-4906
NIINs: 005634906, 007978769, 010333695, 013981883
FSC: 5305 — Screws
CAGE: 1UVT5 — BRP US INC (USA)
SPECIFICATIONS
scale_range+90.0 TO 400.0 DEG FAHRENHEIT SINGLE INDICATOR SINGLE SCALE
thread_class2A SINGLE MOUNTING FACILITY A
overall_width1.375 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
overall_height1.531 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
size_designationCHILD
style_designatorCIRCULAR WAFER, BUSHING MOUNT
precious_materialSILVER
nominal_thread_size0.375 INCHES SINGLE MOUNTING FACILITY IN
thread_series_designatorUNEF SINGLE MOUNTING FACILITY
contact_load_current_rating500.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL
NSN5305-00-563-4906
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 310-303 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
311303Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 310-303?
310-303 is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 310-303?
There is 1 known substitute for 310-303: 311303. Substitute compatibility should be verified for your specific system.
What is the NSN for 310-303?
310-303 is cataloged in the U.S. Government catalog under NSN 5305-00-563-4906. 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.