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558 — RESISTOR,VARIABLE,WIRE WOUND,NON

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

558: RESISTOR,VARIABLE,WIRE WOUND,NON.

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include angle: 36.0 DEGREES, width: 0.578 INCHES NOMINAL IN, height: 0.297 INCHES NOMINAL IN, length: 28.000 INCHES NOMINAL IN, weight: 28.000 POUNDS LBS, material: RUBBER CHLOROPRENE CLASS CR AND RUBBER NATURAL AND RUBBER SYNTHETIC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0281, 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→ 558
NSN: 3110-00-100-0281
NIINs: 001000281, 004016563, 004169306, 004224726, 005960970, 006790389, 007355194, 007411931, 009003307, 010151332, 010850204, 011025168, 011481236, 011639807, 012434827, 012463248, 012486422, 012827727, 013164522, 013417234, 013557803, 013680180, 013684195, 014585777, 014885093, 017171359
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 55207 — ARROW-MASTER, INCORPORATED (USA)
SPECIFICATIONS
angle36.0 DEGREES
width0.578 INCHES NOMINAL IN
height0.297 INCHES NOMINAL IN
length28.000 INCHES NOMINAL IN
weight28.000 POUNDS LBS
materialRUBBER CHLOROPRENE CLASS CR AND RUBBER NATURAL AND RUBBER SYNTHETIC OVERALL
unit_typeFIXED LENGTH
base_styleG19 (B1-PIN)
bulb_styleS (STRAIGHT SIDE)
cone_width1.4440 INCHES NOMINAL IN
head_styleHEXAGON
head_height0.500 INCHES NOMINAL IN
NSN3110-00-100-0281
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 558 · 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
KEY FEATURES
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE CORNER RADIUS: 0.0938 INCHES NOMINAL IN
•
CONE WIDTH: 1.4440 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 2.3750 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNORMAL ANGLE
CONE CORNER RADIUS0.0938 INCHES NOMINAL IN
CONE WIDTH1.4440 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.3750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
710036Reference document
Same NSN cross-reference
Reference document — Secondary reference
30080Reference document
Same NSN cross-reference
Reference document — Secondary reference
26623JReference document
Same NSN cross-reference
Reference document — Secondary reference
10036Reference document
Same NSN cross-reference
Reference document — Secondary reference
T2172Reference document
Same NSN cross-reference
Reference document — Secondary reference
K558Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 558?
558 is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace 558?
There are 7 known substitutes for 558: 710036, 30080, 26623J and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 558?
558 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0281. This indicates validated use in U.S. government and defense supply chains.
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