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Technical Data Sheet
02-0881 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: STEEL CORROSION RESISTING, overall_length: 12.000 INCHES NOMINAL IN, special_features: MUST BE USED WITH PART NUMBER 50-4554 POST COUPLING, supplementary_features: FOR INCLUSION INTO TRAY 061, part_name_assigned_by_controlling_agency: BAR VERTICAL EXTENSION BOOKWALTER RETRACTOR CRS 12" O/A LG. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-253-0268, 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
02-0881
NSN: 5340-01-253-0268
FSC: 5340
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_length12.000 INCHES NOMINAL IN
special_featuresMUST BE USED WITH PART NUMBER 50-4554 POST COUPLING
supplementary_featuresFOR INCLUSION INTO TRAY 061
part_name_assigned_by_controlling_agencyBAR VERTICAL EXTENSION BOOKWALTER RETRACTOR CRS 12" O/A LG
NSN5340-01-253-0268
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 02-0881 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
DESIGN TYPE: FRICTION
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 4.500 INCHES NOMINAL IN
INSIDE DIAMETER LENGTH: 0.468 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8, ALLOY 5052, H32 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL: ALUMINUM ALLOY 5052
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES0.032 IN. THK; 0.500 IN. O/A LG IN
DESIGN TYPEFRICTION
OPENING INSIDE DIAMETER FOR WHICH DESIGNED4.500 INCHES NOMINAL IN
INSIDE DIAMETER LENGTH0.468 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8, ALLOY 5052, H32 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 5052
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
50-4553Interchangeable
interchangeable cross-reference
interchangeable
SU2951-51Interchangeable
interchangeable cross-reference
interchangeable
18-4040Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-250/8FInterchangeable
Same NIIN cross-reference
interchangeable
4-1/2 DOCInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 02-0881?
02-0881 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 02-0881?
There are 5 known substitutes for 02-0881: 50-4553, SU2951-51, 18-4040 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 02-0881?
02-0881 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-253-0268. This indicates validated use in U.S. government and defense supply chains.
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