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TT-10021 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

TT-10021: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 0.6250 INCHES NOMINAL IN, material: BRONZE OVERALL, corner_shape: SQUARE ALL CORNERS, outside_diameter: 1.0000 INCHES NOMINAL IN, style_designator: ROUND, overall_thickness: 0.0625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-618-6480, 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
TT-10021
NSN: 3120-00-618-6480
NIINs: 006186480, 012167912, 015512432, 016168624
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 70901 — BEEMER PRECISION INC (USA)
SPECIFICATIONS
diameter0.6250 INCHES NOMINAL IN
materialBRONZE OVERALL
corner_shapeSQUARE ALL CORNERS
outside_diameter1.0000 INCHES NOMINAL IN
style_designatorROUND
overall_thickness0.0625 INCHES NOMINAL IN
center_hole_shape_styleROUND
end_item_identificationPLATE ASSEMBLY,WP
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE 30 ASSN STD SINGLE MATERIAL RESPONSE AND MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
part_name_assigned_by_controlling_agencyTHRUST BEARING,OILITE
NSN3120-00-618-6480
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: TT-10021 · 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
•
OVERALL THICKNESS: 0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.6265 INCHES MINIMUM AND 0.6295 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
OVERALL THICKNESS0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
STYLE DESIGNATORROUND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 30 ASSN STD SINGLE MATERIAL RESPONSE AND MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
DIAMETER0.6265 INCHES MINIMUM AND 0.6295 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
MATERIALOIL LUBRICATING LUBRICATION
SUBSTITUTES & CROSS-REFERENCES 6
7D5-05090 IT NOReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
T1002-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
05-0702Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
7D5-05089 IT NOReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
SLT636-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
ASTM-B438Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TT-10021?
TT-10021 is a BEARING,WASHER,THRUST.
What parts can replace TT-10021?
There are 6 known substitutes for TT-10021: 7D5-05090 IT NO, T1002-1, 05-0702 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TT-10021?
TT-10021 is cataloged in the U.S. Government catalog under NSN 3120-00-618-6480. 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.