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Technical Data Sheet
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6866808 — RECEIVER,RADAR

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

6866808: RECEIVER,RADAR.

The RECEIVER,RADAR is a the manufacturer industrial component. Key specifications include end_item_identification: R-2603/SPQ, RECEIVER-EXCITER,RADAR. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-457-0752, 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
6866808
NSN: 3120-00-457-0752
NIINs: 004570752, 014834985
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
end_item_identificationR-2603/SPQ, RECEIVER-EXCITER,RADAR
NSN3120-00-457-0752
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 6866808 · 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
•
STYLE DESIGNATOR: SEGMENTED
•
BODY INSIDE DIAMETER: 1.5050 INCHES MINIMUM AND 1.5080 INCHES MAXIMUM IN
•
SURFACE TREATMENT: INDIUM AND SILVER OVERALL
•
SPHERICAL BODY DIAMETER: 2.4984 INCHES MINIMUM AND 2.4995 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSEGMENTED
OVERALL LENGTH1.2960 INCHES MINIMUM AND 1.3040 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.5050 INCHES MINIMUM AND 1.5080 INCHES MAXIMUM IN
SURFACE TREATMENTINDIUM AND SILVER OVERALL
SPHERICAL BODY DIAMETER2.4984 INCHES MINIMUM AND 2.4995 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 6866808?
6866808 is a RECEIVER,RADAR.
What is the NSN for 6866808?
6866808 is cataloged in the U.S. Government catalog under NSN 3120-00-457-0752. 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.