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Technical Data Sheet
PartsTable / COMPONENT / O5B
O5B ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BACK-UP RING,PREFORMED PACKING is a the manufacturer industrial component. Key specifications include color: WHITE, width: 8.500 INCHES NOMINAL IN, length: 11.000 INCHES NOMINAL IN, usage_form: SHEET, grain_direction: VERTICAL, nominal_basis_weight: 16.0 POUNDS PER 500 SHEETS 17.0 X 22.0 INCHES LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7530-00-290-0599, 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
O5B
NSN: 7530-00-290-0599
FSC: 7530
CAGE: 88001 — UNITED STATES POSTAL SERVICE (USA)
SPECIFICATIONS
colorWHITE
width8.500 INCHES NOMINAL IN
length11.000 INCHES NOMINAL IN
usage_formSHEET
grain_directionVERTICAL
nominal_basis_weight16.0 POUNDS PER 500 SHEETS 17.0 X 22.0 INCHES LBS
nondefinitive_spec/std_data11 TYPE AND 1 COLOR
environmental_attribute_codeCOMPREHENSIVE PROCUREMENT GUIDELINE - PAPER AND PAPER PRODUCTS - PRINTING AND WRITING PAPERS
NSN7530-00-290-0599
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACK-UP RING,PREFORMED PACKING TITLE COMPONENT PN O5B MFR BACK-UP RING,PREFORMED
KEY FEATURES
•
COLOR: WHITE
•
NOMINAL BASIS WEIGHT: 16.0 POUNDS PER 500 SHEETS 17.0 X 22.0 INCHES LBS
•
NONDEFINITIVE SPEC/STD DATA: 11 TYPE AND 1 COLOR
•
ENVIRONMENTAL ATTRIBUTE CODE: COMPREHENSIVE PROCUREMENT GUIDELINE - PAPER AND PAPER PRODUCTS - PRINTING AND WRITING PAPERS
•
GRAIN DIRECTION: VERTICAL
•
USAGE FORM: SHEET
•
WIDTH: 8.500 INCHES NOMINAL IN
•
LENGTH: 11.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
COLORWHITE
NOMINAL BASIS WEIGHT16.0 POUNDS PER 500 SHEETS 17.0 X 22.0 INCHES LBS
NONDEFINITIVE SPEC/STD DATA11 TYPE AND 1 COLOR
ENVIRONMENTAL ATTRIBUTE CODECOMPREHENSIVE PROCUREMENT GUIDELINE - PAPER AND PAPER PRODUCTS - PRINTING AND WRITING PAPERS
GRAIN DIRECTIONVERTICAL
USAGE FORMSHEET
WIDTH8.500 INCHES NOMINAL IN
LENGTH11.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
A-A-2804Interchangeable
interchangeable cross-reference
interchangeable
UUP121Interchangeable
interchangeable cross-reference
interchangeable
APX 811BUInterchangeable
interchangeable cross-reference
interchangeable
FED STD 53Interchangeable
interchangeable cross-reference
interchangeable
UU-P-121 TY5Interchangeable
interchangeable cross-reference
interchangeable
UU-P-121 TY3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is O5B?
O5B is a BACK-UP RING,PREFORMED PACKING.
What parts can replace O5B?
There are 15 known substitutes for O5B: A-A-2804, UUP121, APX 811BU and 12 more. Substitute compatibility should be verified for your specific system.
Is O5B still available?
O5B is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026