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642 — BATTERY,NONRECHARGEABLE

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

642: BATTERY,NONRECHARGEABLE.

The BATTERY,NONRECHARGEABLE is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include damper: INCLUDED, diameter: 4.0 INCHES IN, material: ALUMINUM, special_features: USE FOR 3 INCH OR 4 INCH ROUND DUCT; 4 INCH TO 3 INCH TRANSITION INCLUDED; FLANGE SIZE 6 INCHES X 6 INCHES IN, style_designator: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 6135-00-145-8884, 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→ 642
NSN: 6135-00-145-8884
NIINs: 001458884, 001634184, 002155104, 002753599, 004559343, 004656874, 005232397, 006489783, 008121313, 008136949, 009763282, 012042528, 012431433, 013561372, 013758972, 015996144, 016856494
FSC: 6135 — Batteries, Nonrechargeable
CAGE: 74025 — MARATHONNORCO AEROSPACE, INC. DBA MARATHON POWER TECHNOLOGIES COMPANY (USA)
SPECIFICATIONS
damperINCLUDED
diameter4.0 INCHES IN
materialALUMINUM
special_featuresUSE FOR 3 INCH OR 4 INCH ROUND DUCT; 4 INCH TO 3 INCH TRANSITION INCLUDED; FLANGE SIZE 6 INCHES X 6 INCHES IN
style_designatorSTRAIGHT
NSN6135-00-145-8884
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BATTERY,NONRECHARGEABLE TITLE COMPONENT PN 642 MFR BATTERY,NONRECHARGEABL
KEY FEATURES
•
TERMINAL QUANTITY: 2
•
TERMINAL TYPE: POST W/BOLT TOP
•
VOLTAGE IN VOLTS: 12.0
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT7.219 INCHES NOMINAL IN
TERMINAL QUANTITY2
TERMINAL TYPEPOST W/BOLT TOP
VOLTAGE IN VOLTS12.0
OVERALL LENGTH10.438 INCHES NOMINAL IN
OVERALL WIDTH2.719 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 7
2G8HReference document
Same NSN cross-reference
Reference document — Secondary reference
2335Reference document
Same NSN cross-reference
Reference document — Secondary reference
00012800208753Reference document
Same NSN cross-reference
Reference document — Secondary reference
1463Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
00001280020875Reference document
Same NSN cross-reference
Reference document — Secondary reference
922Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogShelf-life managedAcquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 642?
642 is a BATTERY,NONRECHARGEABLE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 642?
There are 7 known substitutes for 642: 2G8H, 2335, 00012800208753 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 642?
642 is cataloged in the U.S. Government catalog under NSN 6135-00-145-8884. 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.