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12705 — SWITCH ASSEMBLY

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

12705: SWITCH ASSEMBLY.

The SWITCH ASSEMBLY is a the manufacturer industrial component. Key specifications include shape: ROUND, length: 12.000 INCHES NOMINAL IN, material: STEEL FILLER, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, corner_shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER, current_type: AC OR DC. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-079-7946, 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→ 12705
NSN: 3120-00-079-7946
NIINs: 000797946, 010151887, 010992821, 012314672, 013273007, 015641070, 015690961
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 12639 — NORTHFIELD PRECISION INSTRUMENT CORP DBA NORTHFIELD PRECISION INSTRUMENT CORP (USA)
SPECIFICATIONS
shapeROUND
length12.000 INCHES NOMINAL IN
materialSTEEL FILLER
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
corner_shapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
current_typeAC OR DC
flange_width0.0110 INCHES MINIMUM AND 0.0130 INCHES MAXIMUM IN
coil_quantity14
physical_formSTRAIGHT
overall_length0.0555 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM OVERALL
inside_diameter0.153 INCHES NOMINAL IN
NSN3120-00-079-7946
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 12705 · 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
KEY FEATURES
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
FLANGE OUTSIDE DIAMETER: 0.1980 INCHES MINIMUM AND 0.2080 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.1561 INCHES MINIMUM AND 0.1563 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER0.1980 INCHES MINIMUM AND 0.2080 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.1561 INCHES MINIMUM AND 0.1563 INCHES MAXIMUM IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
SUBSTITUTES & CROSS-REFERENCES 2
1426K70P001Reference document
Same NSN cross-reference
Reference document — Secondary reference
1832231Reference 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 12705?
12705 is a SWITCH ASSEMBLY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 12705?
There are 2 known substitutes for 12705: 1426K70P001, 1832231. Substitute compatibility should be verified for your specific system.
What is the NSN for 12705?
12705 is cataloged in the U.S. Government catalog under NSN 3120-00-079-7946. This indicates validated use in U.S. government and defense supply chains.
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