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138862 — PLUNGER,IDLE SPRING

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

138862: PLUNGER,IDLE SPRING.

The PLUNGER,IDLE SPRING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, corner_shape: SQUARE INSIDE RIGHT CORNER, flange_width: 0.1020 INCHES MINIMUM AND 0.1060 INCHES MAXIMUM IN, overall_length: 0.9220 INCHES MINIMUM AND 0.9260 INCHES MAXIMUM IN, style_designator: SPLIT, EXTERNAL FLANGE ONE END, body_inside_diameter: 1.4830 INCHES MINIMUM AND 1.4870 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-048-8718, 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
138862
NSN: 3120-00-048-8718
NIINs: 000488718, 002385434, 010225392
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
corner_shapeSQUARE INSIDE RIGHT CORNER
flange_width0.1020 INCHES MINIMUM AND 0.1060 INCHES MAXIMUM IN
overall_length0.9220 INCHES MINIMUM AND 0.9260 INCHES MAXIMUM IN
style_designatorSPLIT, EXTERNAL FLANGE ONE END
body_inside_diameter1.4830 INCHES MINIMUM AND 1.4870 INCHES MAXIMUM IN
body_outside_diameter1.6915 INCHES MINIMUM AND 1.6925 INCHES MAXIMUM IN
flange_outside_diameter1.8700 INCHES MAXIMUM IN
NSN3120-00-048-8718
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 138862 · 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: 1.8700 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.6915 INCHES MINIMUM AND 1.6925 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 DIAMETER1.8700 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.6915 INCHES MINIMUM AND 1.6925 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT, EXTERNAL FLANGE ONE END
OVERALL LENGTH0.9220 INCHES MINIMUM AND 0.9260 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 138862?
138862 is a PLUNGER,IDLE SPRING.
What is the NSN for 138862?
138862 is cataloged in the U.S. Government catalog under NSN 3120-00-048-8718. 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.