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PartsTable / COMPONENT / A311697007
A311697007 ✓ 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 SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL SPRING, seal_width: 0.417 INCHES MINIMUM AND 0.449 INCHES MAXIMUM IN, construction: SOLID, outside_diameter: 4.254 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 4.248 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-438-5100, 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
A311697007
NSN: 5330-00-438-5100
FSC: 5330
CAGE: 77873 — ROCKFORD POWERTRAIN INC DIV POWERTRAIN ROCKFORD, INC. (USA)
SPECIFICATIONS
materialSTEEL SPRING
seal_width0.417 INCHES MINIMUM AND 0.449 INCHES MAXIMUM IN
constructionSOLID
outside_diameter4.254 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter4.248 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
accommodated_shaft_diameter3.125 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-438-5100
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A311697007 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
•
SURFACE TREATMENT: PLASTIC CASE
•
HOUSING BORE DIAMETER: 4.248 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
ACCOMMODATED SHAFT DIAMETER: 3.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
CONSTRUCTION: SOLID
•
OUTSIDE DIAMETER: 4.254 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPLASTIC CASE
HOUSING BORE DIAMETER4.248 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
ACCOMMODATED SHAFT DIAMETER3.125 INCHES NOMINAL IN
MATERIALSTEEL SPRING
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
CONSTRUCTIONSOLID
OUTSIDE DIAMETER4.254 INCHES NOMINAL IN
SEAL WIDTH0.417 INCHES MINIMUM AND 0.449 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
4537-7/16Interchangeable
interchangeable cross-reference
interchangeable
232R-437Interchangeable
interchangeable cross-reference
interchangeable
50-10146 4537-7/16Interchangeable
interchangeable cross-reference
interchangeable
312-28Interchangeable
interchangeable cross-reference
interchangeable
1907139Interchangeable
interchangeable cross-reference
interchangeable
312A151Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A311697007?
A311697007 is a SEAL,PLAIN.
What parts can replace A311697007?
There are 10 known substitutes for A311697007: 4537-7/16, 232R-437, 50-10146 4537-7/16 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A311697007?
A311697007 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-438-5100. 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