PartsTable
Technical Data Sheet
PartsTable / MRO / 31305B
31305B ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include shaft_type: RECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR, shaft_length: 1.688 INCHES NOMINAL SINGLE ACTUATOR IN, overall_width: 2.125 INCHES NOMINAL IN, pole_quantity: 1 EACH SECTION REAR, terminal_type: TAB W/SCREW, overall_height: 2.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-571-2306, 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→ 31305B
NSN: 3120-00-571-2306
FSC: 3120
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
shaft_typeRECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR
shaft_length1.688 INCHES NOMINAL SINGLE ACTUATOR IN
overall_width2.125 INCHES NOMINAL IN
pole_quantity1 EACH SECTION REAR
terminal_typeTAB W/SCREW
overall_height2.125 INCHES NOMINAL IN
overall_length4.438 INCHES NOMINAL IN
throw_quantity7 EACH SECTION REAR
mounting_methodUNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
style_designatorTAP, CIRCUIT SELECTOR
features_providedACTUATOR KNOB
square_shaft_size0.250 INCHES NOMINAL SINGLE ACTUATOR IN
NSN3120-00-571-2306
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 31305B · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
AAA16-1Interchangeable
interchangeable cross-reference
interchangeable
267X30Interchangeable
interchangeable cross-reference
interchangeable
14-6RInterchangeable
interchangeable cross-reference
interchangeable
VP11072Interchangeable
interchangeable cross-reference
interchangeable
11072Interchangeable
interchangeable cross-reference
interchangeable
394658Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31305B?
31305B is a CONNECTOR,PLUG,ELECTRICAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31305B?
There are 14 known substitutes for 31305B: AAA16-1, 267X30, 14-6R and 11 more. Substitute compatibility should be verified for your specific system.
Is 31305B still available?
31305B is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026