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A8012 — INSERT SET,SOUND ISOLATION

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

A8012: INSERT SET,SOUND ISOLATION.

The INSERT SET,SOUND ISOLATION is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATING LUBRICATION, body_width: 1.438 INCHES NOMINAL IN, body_height: 2.594 INCHES NOMINAL IN, body_length: 2.531 INCHES NOMINAL IN, corner_shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER, flange_width: 0.0200 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-103-9732, 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
MRO→ MRO_GENERAL→ A8012
NSN: 3120-00-103-9732
NIINs: 001039732, 002810252, 010420264
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 99145 — EATON AEROSPACE LLC ED AND C WEST DIV (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
body_width1.438 INCHES NOMINAL IN
body_height2.594 INCHES NOMINAL IN
body_length2.531 INCHES NOMINAL IN
corner_shapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
flange_width0.0200 INCHES MINIMUM AND 0.0250 INCHES MAXIMUM IN
body_materialMETAL
inclosure_typeHERMETICALLY SEALED
overall_height3.094 INCHES NOMINAL IN
overall_length0.0820 INCHES MINIMUM AND 0.0870 INCHES MAXIMUM IN
style_designatorRECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE
nominal_thread_size0.190 INCHES IN
NSN3120-00-103-9732
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A8012 · 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 INSIDE RIGHT CORNER
•
FLANGE OUTSIDE DIAMETER: 0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER0.3740 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TYPE 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
MILB5687Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A8012?
A8012 is a INSERT SET,SOUND ISOLATION. It is classified as a MRO (MRO_GENERAL).
What parts can replace A8012?
There is 1 known substitute for A8012: MILB5687. Substitute compatibility should be verified for your specific system.
What is the NSN for A8012?
A8012 is cataloged in the U.S. Government catalog under NSN 3120-00-103-9732. This indicates validated use in U.S. government and defense supply chains.
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