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Technical Data Sheet
PartsTable / COMPONENT / NAS74A6-203P
NAS74A6-203P ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 630 OVERALL, corner_shape: CHAMFERED OUTSIDE RIGHT CORNER, overall_length: 2.1920 INCHES MINIMUM AND 2.1970 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY, special_features: ID AND OD TO BE PARALLEL AND CONCENTRIC WITHIN 0.0030 TIR, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-914-0781, 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
NAS74A6-203P
NSN: 3120-00-914-0781
FSC: 3120
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 630 OVERALL
corner_shapeCHAMFERED OUTSIDE RIGHT CORNER
overall_length2.1920 INCHES MINIMUM AND 2.1970 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
special_featuresID AND OD TO BE PARALLEL AND CONCENTRIC WITHIN 0.0030 TIR
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
surface_treatmentCADMIUM AND CHROMATE OVERALL
body_inside_diameter0.3745 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
body_outside_diameter0.5585 INCHES MINIMUM AND 0.5605 INCHES MAXIMUM IN
specification/standard_data80205-NAS74 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
lubricant_accommodation_styleGROOVED CIRCULAR
material_document_and_classificationQQ-C-00465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-914-0781
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: NAS74A6-203P · 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
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
BODY OUTSIDE DIAMETER: 0.5585 INCHES MINIMUM AND 0.5605 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.3745 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
•
LUBRICANT ACCOMMODATION STYLE: GROOVED CIRCULAR
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-00465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
BODY OUTSIDE DIAMETER0.5585 INCHES MINIMUM AND 0.5605 INCHES MAXIMUM IN
OVERALL LENGTH2.1920 INCHES MINIMUM AND 2.1970 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.3745 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
LUBRICANT ACCOMMODATION STYLEGROOVED CIRCULAR
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-00465 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
MATERIALCOPPER ALLOY 630 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
14551102 PIECEInterchangeable
interchangeable cross-reference
interchangeable
MS17811Interchangeable
interchangeable cross-reference
interchangeable
MS17811-11Interchangeable
interchangeable cross-reference
interchangeable
MS17811-17Interchangeable
interchangeable cross-reference
interchangeable
MS17811-8Interchangeable
interchangeable cross-reference
interchangeable
MS17811-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS74A6-203P?
NAS74A6-203P is a BUSHING,SLEEVE.
What parts can replace NAS74A6-203P?
There are 14 known substitutes for NAS74A6-203P: 14551102 PIECE, MS17811, MS17811-11 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS74A6-203P?
NAS74A6-203P is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-914-0781. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026