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Technical Data Sheet
PartsTable / COMPONENT / NAS537
NAS537 ✓ 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 462 OR COPPER ALLOY 630 OVERALL, shank_style: EXTERNALLY THREADED, corner_shape: CHAMFERED ALL CORNERS, flange_width: 0.0887 INCHES MINIMUM AND 0.0937 INCHES MAXIMUM IN, thread_class: 3A A, bore_diameter: 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-027-5846, 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
NAS537
NSN: 3120-00-027-5846
FSC: 3120
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 462 OR COPPER ALLOY 630 OVERALL
shank_styleEXTERNALLY THREADED
corner_shapeCHAMFERED ALL CORNERS
flange_width0.0887 INCHES MINIMUM AND 0.0937 INCHES MAXIMUM IN
thread_class3A A
bore_diameter0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
overall_width5.609 INCHES NOMINAL IN
overall_length0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
hardness_rating39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM ROD END BODY
thread_diameter0.625 INCHES NOMINAL IN
special_featuresPRESS FIT, UNDERSIZE INSIDE DIAMETER
NSN3120-00-027-5846
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: NAS537 · 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 OVERALL
•
CORNER SHAPE: CHAMFERED INSIDE RIGHT CORNER
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OVERALL
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OR STEEL COMP 8630 OVERALL
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPECHAMFERED INSIDE LEFT CORNER
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
BODY INSIDE DIAMETER0.3010 INCHES MINIMUM AND 0.3060 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.4381 INCHES MINIMUM AND 0.4386 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
NH06C016Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS81934/1Interchangeable
interchangeable cross-reference
interchangeable
AS819341/1Interchangeable
interchangeable cross-reference
interchangeable
NAS538Interchangeable
interchangeable cross-reference
interchangeable
AS81934/1Interchangeable
interchangeable cross-reference
interchangeable
NAS538-10P054Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS537?
NAS537 is a COIL,RADIO FREQUENCY.
What parts can replace NAS537?
There are 30 known substitutes for NAS537: NH06C016, SAE-AS81934/1, AS819341/1 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS537?
NAS537 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-027-5846. 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