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Technical Data Sheet
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A226-1 — TERMINAL,QUICK DISCONNECT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

A226-1: TERMINAL,QUICK DISCONNECT.

The TERMINAL,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include end_item_identification: SINGER CO 14B49,S3A POSITION TRAINER COMPLEX. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-489-4061, 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
A226-1
NSN: 3120-00-489-4061
NIINs: 004894061, 010425915
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 70901 — BEEMER PRECISION INC (USA)
SPECIFICATIONS
end_item_identificationSINGER CO 14B49,S3A POSITION TRAINER COMPLEX
NSN3120-00-489-4061
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A226-1 · 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
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CORNER SHAPE: SQUARE ALL CORNERS
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BODY OUTSIDE DIAMETER: 0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
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STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
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MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
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BODY INSIDE DIAMETER: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
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NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A COMPOSITION
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MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A COMPOSITION
MATERIALCOPPER ALLOY OVERALL
MATERIALOIL LUBRICATING LUBRICATION
SUBSTITUTES & CROSS-REFERENCES 3
545-1272Reference document
Same NSN cross-reference
Reference document — Secondary reference
AA226-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
SL186-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A226-1?
A226-1 is a TERMINAL,QUICK DISCONNECT.
What parts can replace A226-1?
There are 3 known substitutes for A226-1: 545-1272, AA226-1, SL186-4. Substitute compatibility should be verified for your specific system.
What is the NSN for A226-1?
A226-1 is cataloged in the U.S. Government catalog under NSN 3120-00-489-4061. This indicates validated use in U.S. government and defense supply chains.
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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.