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Technical Data Sheet
PartsTable / COMPONENT / 1223/25
1223/25 ✓ 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 1223/25 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-012-4693, 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
1223/25
NSN: 5340-01-012-4693
FSC: 5340
CAGE: 97539 — APM HEXSEAL CORP (USA)
SPECIFICATIONS
Part Number1223/25
NSN5340-01-012-4693
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1223/25 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
•
MOUNTING METHOD: INTEGRAL THREADED NUT
•
THREAD LENGTH: 0.370 INCHES NOMINAL IN
•
BASE THREAD LOCATION: INTERNAL
•
MATERIAL: COPPER ALLOY AND RUBBER SILICONE BODY
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765,CLASS 3A,GRADE 50 FED SPEC 2ND MATERIAL RESPONSE BODY A
•
SURFACE TREATMENT: NICKEL BODY
•
STYLE DESIGNATOR: CLOSED END
•
OPENING INSIDE DIAMETER: 0.865 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODINTEGRAL THREADED NUT
THREAD LENGTH0.370 INCHES NOMINAL IN
BASE THREAD LOCATIONINTERNAL
MATERIALCOPPER ALLOY AND RUBBER SILICONE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765,CLASS 3A,GRADE 50 FED SPEC 2ND MATERIAL RESPONSE BODY A
SURFACE TREATMENTNICKEL BODY
STYLE DESIGNATORCLOSED END
OPENING INSIDE DIAMETER0.865 INCHES NOMINAL IN
THREAD SERIESUN
NOMINAL THREAD SIZE0.875 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
FF5032Interchangeable
interchangeable cross-reference
interchangeable
2910001255600Interchangeable
interchangeable cross-reference
interchangeable
122B325Interchangeable
interchangeable cross-reference
interchangeable
302379500Interchangeable
interchangeable cross-reference
interchangeable
122325Interchangeable
interchangeable cross-reference
interchangeable
3023795Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1223/25?
1223/25 is a 1223/25.
What parts can replace 1223/25?
There are 10 known substitutes for 1223/25: FF5032, 2910001255600, 122B325 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1223/25?
1223/25 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-012-4693. 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