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204-001-345-1 — RESISTOR,VARIABLE,WIRE WOUND,PRE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

204-001-345-1: RESISTOR,VARIABLE,WIRE WOUND,PRE.

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0500 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN, overall_length: 0.4925 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END, body_inside_diameter: 1.2490 INCHES MINIMUM AND 1.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-633-0797, 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
204-001-345-1
NSN: 3120-00-633-0797
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 97499 — BELL TEXTRON INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.0500 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN
overall_length0.4925 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
body_inside_diameter1.2490 INCHES MINIMUM AND 1.2495 INCHES MAXIMUM IN
body_outside_diameter1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
flange_outside_diameter1.5000 INCHES NOMINAL IN
right_internal_flange_width0.0600 INCHES NOMINAL IN
right_internal_flange_hole_diameter1.0090 INCHES MINIMUM AND 1.0190 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-633-0797
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 204-001-345-1 · 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 ALL CORNERS
•
RIGHT INTERNAL FLANGE WIDTH: 0.0600 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 1.5000 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 1.2490 INCHES MINIMUM AND 1.2495 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
RIGHT INTERNAL FLANGE WIDTH0.0600 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER1.5000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.3745 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.4925 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.2490 INCHES MINIMUM AND 1.2495 INCHES MAXIMUM IN
RIGHT INTERNAL FLANGE HOLE DIAMETER1.0090 INCHES MINIMUM AND 1.0190 INCHES MAXIMUM IN
FLANGE WIDTH0.0500 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 7
204-001-345-1-22331Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
204-001-345-1-10000Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
204-001-345-1-10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
204-001-345-1-22Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
204-001-345-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
53Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 204-001-345-1?
204-001-345-1 is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace 204-001-345-1?
There are 7 known substitutes for 204-001-345-1: 204-001-345-1-22331, 204-001-345-1-10000, 204-001-345-1-10 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 204-001-345-1?
204-001-345-1 is cataloged in the U.S. Government catalog under NSN 3120-00-633-0797. 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.