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Technical Data Sheet
PartsTable / COMPONENT / 11B5091807
11B5091807 ✓ 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

The RETAINER,SEAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM OVERALL, overall_height: 1.25 INCHES NOMINAL IN, overall_length: 175.38 INCHES NOMINAL IN, bolt_circle_diameter: 0.191 INCHES NOMINAL IN, end_item_identification: 4940016802383, part_name_assigned_by_controlling_agency: RETAINER, EXTERIOR SEAL, CEILING TO CONTAINER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-705-3338, 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
11B5091807
NSN: 5330-01-705-3338
FSC: 5330
CAGE: 5B5M3 — DEVCOM CHEMICAL BIOLOGICAL CENTER DBA CHEMICAL BIOLOGICAL CENTER DIV U.S. DEPT OF ARMY (USA)
SPECIFICATIONS
materialALUMINUM OVERALL
overall_height1.25 INCHES NOMINAL IN
overall_length175.38 INCHES NOMINAL IN
bolt_circle_diameter0.191 INCHES NOMINAL IN
end_item_identification4940016802383
part_name_assigned_by_controlling_agencyRETAINER, EXTERIOR SEAL, CEILING TO CONTAINER
NSN5330-01-705-3338
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11B5091807 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
•
BOLT CIRCLE DIAMETER: 0.191 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
BOLT CIRCLE DIAMETER0.191 INCHES NOMINAL IN
OVERALL LENGTH175.38 INCHES NOMINAL IN
END ITEM IDENTIFICATION4940016802383
OVERALL HEIGHT1.25 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER, EXTERIOR SEAL, CEILING TO CONTAINER
MATERIALALUMINUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
2510-18Interchangeable
interchangeable cross-reference
interchangeable
666162-418Interchangeable
interchangeable cross-reference
interchangeable
2510 1/8Interchangeable
interchangeable cross-reference
interchangeable
C08665Interchangeable
interchangeable cross-reference
interchangeable
10558Interchangeable
interchangeable cross-reference
interchangeable
72R541Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11B5091807?
11B5091807 is a RETAINER,SEAL.
What parts can replace 11B5091807?
There are 7 known substitutes for 11B5091807: 2510-18, 666162-418, 2510 1/8 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11B5091807?
11B5091807 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-705-3338. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026