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PA1 — SWITCH SECTION,ROTARY

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

PA1: SWITCH SECTION,ROTARY.

The SWITCH SECTION,ROTARY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BASIC, body_length: 2.688 INCHES NOMINAL IN, pole_quantity: 1 SINGLE SECTION FRONT, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE WINDING, terminal_type: TAB, SOLDER LUG, turn_quantity: 1400 SINGLE COMPONENT SINGLE WINDING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-554-3197, 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
PA1
NSN: 3110-00-554-3197
NIINs: 005543197, 006037698, 006285569, 007269822, 008167329, 016708201
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BASIC
body_length2.688 INCHES NOMINAL IN
pole_quantity1 SINGLE SECTION FRONT
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
terminal_typeTAB, SOLDER LUG
turn_quantity1400 SINGLE COMPONENT SINGLE WINDING
inclosure_typeFULLY INCLOSED
throw_quantity2 SINGLE SECTION FRONT
mounting_methodTERMINAL SINGLE GROUP
winding_quantity1 SINGLE COMPONENT
core_constructionS0LID SINGLE COMPONENT
body_outside_diameter2.625 INCHES NOMINAL IN
NSN3110-00-554-3197
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: PA1 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 10
2-055-024-375Reference document
Same NSN cross-reference
Reference document — Secondary reference
30-20080Reference document
Same NSN cross-reference
Reference document — Secondary reference
H2HC-DM7044-HW1-50Reference document
Same NSN cross-reference
Reference document — Secondary reference
522224Reference document
Same NSN cross-reference
Reference document — Secondary reference
BMA-30BC02-TA22Reference document
Same NSN cross-reference
Reference document — Secondary reference
X74222 PIECE 25Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PA1?
PA1 is a SWITCH SECTION,ROTARY.
What parts can replace PA1?
There are 10 known substitutes for PA1: 2-055-024-375, 30-20080, H2HC-DM7044-HW1-50 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PA1?
PA1 is cataloged in the U.S. Government catalog under NSN 3110-00-554-3197. 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.