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D4A158AQ — HOUSING,BEARING UNIT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

D4A158AQ: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, bore_diameter: 3.1560 INCHES NOMINAL IN, housing_length: 2.5000 INCHES NOMINAL IN, shaft_end_type: OPEN, housing_diameter: 4.2500 INCHES NOMINAL IN, assembly_overall_length: 2.5000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-047-8996, 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
D4A158AQ
NSN: 3130-01-047-8996
FSC: 3130 — Bearings, Mounted
CAGE: 10613 — PENTAIR PUMP GROUP, INC. DBA FAIRBANKS MORSE PUMP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
bore_diameter3.1560 INCHES NOMINAL IN
housing_length2.5000 INCHES NOMINAL IN
shaft_end_typeOPEN
housing_diameter4.2500 INCHES NOMINAL IN
assembly_overall_length2.5000 INCHES NOMINAL IN
end_item_identificationMODEL 5972-3IN FAIRBANKS MORSE FIRE PUMP ONBOARD 378 FT WHEC COAST GUARD VESSELS IN
NSN3130-01-047-8996
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: D4A158AQ · 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
•
ASSEMBLY OVERALL LENGTH: 2.5000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL CARTRIDGE
•
SHAFT END TYPE: OPEN
•
BORE DIAMETER: 3.1560 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
HOUSING LENGTH: 2.5000 INCHES NOMINAL IN
•
HOUSING DIAMETER: 4.2500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
ASSEMBLY OVERALL LENGTH2.5000 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL CARTRIDGE
SHAFT END TYPEOPEN
END ITEM IDENTIFICATIONMODEL 5972-3IN FAIRBANKS MORSE FIRE PUMP ONBOARD 378 FT WHEC COAST GUARD VESSELS IN
BORE DIAMETER3.1560 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
HOUSING LENGTH2.5000 INCHES NOMINAL IN
HOUSING DIAMETER4.2500 INCHES NOMINAL IN
OTHER ITEMS IN FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118 3130-00-001-5137 3130-00-001-6585 3130-00-003-0422 3130-00-003-0455 3130-00-003-0794 3130-00-003-2802 3130-00-003-9535
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 D4A158AQ?
D4A158AQ is a HOUSING,BEARING UNIT.
What is the NSN for D4A158AQ?
D4A158AQ is cataloged in the U.S. Government catalog under NSN 3130-01-047-8996. 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.