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A12124 — MOUNT,GUIDED MISSILE LAUNCHER

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

A12124: MOUNT,GUIDED MISSILE LAUNCHER.

The MOUNT,GUIDED MISSILE LAUNCHER is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL ALLOY,ANODIZED; 6.38 IN. LG IN.

This part is cataloged in the U.S. Government catalog under NSN 3120-00-661-3544, 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
A12124
NSN: 3120-00-661-3544
NIINs: 006613544, 012332206
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 70417 — CHRYSLER CORP AMPLEX DIV (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL ALLOY,ANODIZED; 6.38 IN. LG IN
NSN3120-00-661-3544
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A12124 · 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: 1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
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STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
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MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5687,TY 1,COMP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
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BODY INSIDE DIAMETER: 1.0000 INCHES MINIMUM AND 1.0010 INCHES MAXIMUM IN
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NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND B COMPOSITION
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MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TY 1,COMP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.7425 INCHES MINIMUM AND 1.7575 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.0000 INCHES MINIMUM AND 1.0010 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND B COMPOSITION
MATERIALCOPPER ALLOY OVERALL
MATERIALOIL LUBRICATING LUBRICATION
SUBSTITUTES & CROSS-REFERENCES 8
564-7503-935944PCT3Reference document
Same NSN cross-reference
Reference document — Secondary reference
2983-23ALT1PCT3Reference document
Same NSN cross-reference
Reference document — Secondary reference
490231ALT3PCN4Reference document
Same NSN cross-reference
Reference document — Secondary reference
2983-05ALT4PCQ3Reference document
Same NSN cross-reference
Reference document — Secondary reference
465-285ALT3PCN4Reference document
Same NSN cross-reference
Reference document — Secondary reference
2983-21PCQ3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A12124?
A12124 is a MOUNT,GUIDED MISSILE LAUNCHER.
What parts can replace A12124?
There are 8 known substitutes for A12124: 564-7503-935944PCT3, 2983-23ALT1PCT3, 490231ALT3PCN4 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A12124?
A12124 is cataloged in the U.S. Government catalog under NSN 3120-00-661-3544. 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.