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P89C2 — CYLINDER ASSEMBLY,ACTUATING,LINE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

P89C2: CYLINDER ASSEMBLY,ACTUATING,LINE.

CYLINDER ASSEMBLY,ACTUATING,LINE. Key specifications include bore_diameter: 1.125 INCHES NOMINAL IN, overall_width: 1.312 INCHES NOMINAL IN, extended_length: 15.125 INCHES NOMINAL IN, compressed_length: 10.125 INCHES NOMINAL IN, design_characteristics: DOUBLE ACTING SINGLE CYLINDER, end_item_identification: FIRETRUCK,KOVATCH CORP,TYPE P22/P24. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-416-7800, 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
P89C2
NSN: 3120-00-416-7800
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 17572 — STERLING ENGINE CO INC (USA)
SPECIFICATIONS
bore_diameter1.125 INCHES NOMINAL IN
overall_width1.312 INCHES NOMINAL IN
extended_length15.125 INCHES NOMINAL IN
compressed_length10.125 INCHES NOMINAL IN
design_characteristicsDOUBLE ACTING SINGLE CYLINDER
end_item_identificationFIRETRUCK,KOVATCH CORP,TYPE P22/P24
integral_valve_operation_methodPNEUMATIC
NSN3120-00-416-7800
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: P89C2 · 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 9
18D5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
NP13119PC1Reference document
Same NSN cross-reference
Reference document — Secondary reference
NP10003PCP89CReference document
Same NSN cross-reference
Reference document — Secondary reference
P89Reference document
Same NSN cross-reference
Reference document — Secondary reference
18D25Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
NP1076-1PCP89CReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P89C2?
P89C2 is a CYLINDER ASSEMBLY,ACTUATING,LINE.
What parts can replace P89C2?
There are 9 known substitutes for P89C2: 18D5, NP13119PC1, NP10003PCP89C and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P89C2?
P89C2 is cataloged in the U.S. Government catalog under NSN 3120-00-416-7800. 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.