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81150A — 81150A

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

81150A: 81150A.

The 81150A is a the manufacturer industrial component. Key specifications include end_item_identification: CALIBRATION. This part is cataloged in the U.S.

Government catalog under NSN 3130-01-181-2571, 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→ 81150A
NSN: 3130-01-181-2571
NIINs: 011812571, 015614550
FSC: 3130 — Bearings, Mounted
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
end_item_identificationCALIBRATION
NSN3130-01-181-2571
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 81150A · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: IRON,MIL-I-24137,O/A
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONIRON,MIL-I-24137,O/A
SUBSTITUTES & CROSS-REFERENCES 2
B-81272-AReference document
Same NSN cross-reference
Reference document — Secondary reference
D-215-8 ITEM 23Reference 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 81150A?
81150A is a 81150A. It is classified as a MRO (MRO_GENERAL).
What parts can replace 81150A?
There are 2 known substitutes for 81150A: B-81272-A, D-215-8 ITEM 23. Substitute compatibility should be verified for your specific system.
What is the NSN for 81150A?
81150A is cataloged in the U.S. Government catalog under NSN 3130-01-181-2571. 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.