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51-0407-1 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

51-0407-1: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, corner_shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER, flange_width: 0.3090 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN, overall_length: 3.1800 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-356-0187, 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
51-0407-1
NSN: 3120-00-356-0187
NIINs: 003560187, 012528398
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
corner_shapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
flange_width0.3090 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
overall_length3.1800 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
surface_treatmentPASSIVATE OVERALL
body_inside_diameter1.1250 INCHES MINIMUM AND 1.1270 INCHES MAXIMUM IN
body_outside_diameter1.8710 INCHES MINIMUM AND 1.8720 INCHES MAXIMUM IN
flange_outside_diameter2.0470 INCHES NOMINAL IN
right_internal_flange_width0.1250 INCHES NOMINAL IN
lubricant_accommodation_styleGROOVED CIRCULAR
right_internal_flange_hole_diameter1.0320 INCHES NOMINAL IN
NSN3120-00-356-0187
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 51-0407-1 · 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
•
RIGHT INTERNAL FLANGE WIDTH: 0.1250 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
RIGHT INTERNAL FLANGE WIDTH0.1250 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FLANGE OUTSIDE DIAMETER2.0470 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.8710 INCHES MINIMUM AND 1.8720 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51-0407-1?
51-0407-1 is a BUSHING,SLEEVE.
What is the NSN for 51-0407-1?
51-0407-1 is cataloged in the U.S. Government catalog under NSN 3120-00-356-0187. This indicates validated use in U.S. government and defense supply chains.
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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.