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5-21-508 — TERMINAL,STUD

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

5-21-508: TERMINAL,STUD.

The TERMINAL,STUD is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE INSULATION, corner_shape: SQUARE ALL CORNERS, flange_width: 0.1100 INCHES NOMINAL IN, hole_diameter: 0.2480 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM FIRST IN, largest_width: 42.0 MILLIMETERS MM, thread_length: 0.258 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-179-7245, 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
5-21-508
NSN: 3120-00-179-7245
NIINs: 001797245, 005036283, 016608499
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE INSULATION
corner_shapeSQUARE ALL CORNERS
flange_width0.1100 INCHES NOMINAL IN
hole_diameter0.2480 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM FIRST IN
largest_width42.0 MILLIMETERS MM
thread_length0.258 INCHES IN
overall_height1.297 INCHES IN
overall_length250.0 MILLIMETERS NOMINAL MM
terminal_length0.275 INCHES IN
largest_diameter0.140 INCHES SINGLE END IN
special_featuresWILL FIT ALL 250MM SURFORM FRAMES; FLAT BLADE FOR SOFT METALS AND PLASTICS MM
style_designatorFLAT, STANDARD PLANE, DETACHABLE BLADE
NSN3120-00-179-7245
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 5-21-508 · 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 ALL CORNERS
•
FLANGE OUTSIDE DIAMETER: 3.1900 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.8170 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
BODY INSIDE DIAMETER: 2.3550 INCHES NOMINAL IN
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 2 HOLE
•
FLANGE WIDTH: 0.1100 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER3.1900 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.8170 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
OVERALL LENGTH2.3300 INCHES NOMINAL IN
BODY INSIDE DIAMETER2.3550 INCHES NOMINAL IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY2 HOLE
FLANGE WIDTH0.1100 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 937 OVERALL
HOLE DIAMETER0.2480 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM FIRST IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5-21-508?
5-21-508 is a TERMINAL,STUD.
What is the NSN for 5-21-508?
5-21-508 is cataloged in the U.S. Government catalog under NSN 3120-00-179-7245. This indicates validated use in U.S. government and defense supply chains.
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