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2643-1005 — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

2643-1005: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: RUBBER SEAT, nominal_width: 7.260 INCHES ALL ENDS IN, nominal_length: 8.610 INCHES ALL ENDS IN, overall_height: 0.310 INCHES NOMINAL IN, first_end_style: SQUARE, inside_diameter: 2.440 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-483-4037, 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
2643-1005
NSN: 3130-01-483-4037
FSC: 3130 — Bearings, Mounted
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialRUBBER SEAT
nominal_width7.260 INCHES ALL ENDS IN
nominal_length8.610 INCHES ALL ENDS IN
overall_height0.310 INCHES NOMINAL IN
first_end_styleSQUARE
inside_diameter2.440 INCHES NOMINAL IN
outside_diameter3.492 INCHES NOMINAL IN
special_featuresNEXT HIGHER ASSY VALVE,FLOAT
style_designatorPLAIN
pin_overall_length0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
flow_control_deviceBALL
body_inside_diameter2.068 INCHES NOMINAL IN
NSN3130-01-483-4037
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 2643-1005 · 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
SUBSTITUTES & CROSS-REFERENCES 2
2643-1005 ITEM 16Reference document
Same NSN cross-reference
Reference document — Secondary reference
845-7285124Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 2643-1005?
2643-1005 is a HOUSING,BEARING UNIT.
What parts can replace 2643-1005?
There are 2 known substitutes for 2643-1005: 2643-1005 ITEM 16, 845-7285124. Substitute compatibility should be verified for your specific system.
What is the NSN for 2643-1005?
2643-1005 is cataloged in the U.S. Government catalog under NSN 3130-01-483-4037. This indicates validated use in U.S. government and defense supply chains.
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