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Technical Data Sheet
PartsTable / COMPONENT / 1312N2
1312N2 ✓ 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 ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.250 INCHES NOMINAL IN, housing_bore_diameter: 1.250 INCHES NOMINAL IN, sealing_element_style: VERTICAL, accommodated_shaft_diameter: 0.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-696-0280, 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
1312N2
NSN: 5330-00-696-0280
FSC: 5330
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.250 INCHES NOMINAL IN
housing_bore_diameter1.250 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter0.750 INCHES NOMINAL IN
NSN5330-00-696-0280
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1312N2 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
•
CASE STYLE: SQUARE
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
HOUSING BORE DIAMETER: 1.250 INCHES NOMINAL IN
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
ACCOMMODATED SHAFT DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
MATERIALSTEEL CASE
HOUSING BORE DIAMETER1.250 INCHES NOMINAL IN
SEAL WIDTH0.250 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
ACCOMMODATED SHAFT DIAMETER0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
40141Interchangeable
interchangeable cross-reference
interchangeable
41038 STYLEP2Interchangeable
interchangeable cross-reference
interchangeable
T1033Interchangeable
interchangeable cross-reference
interchangeable
914855Interchangeable
interchangeable cross-reference
interchangeable
909811Interchangeable
interchangeable cross-reference
interchangeable
5L5532-101-59Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1312N2?
1312N2 is a SEAL,PLAIN ENCASED.
What parts can replace 1312N2?
There are 19 known substitutes for 1312N2: 40141, 41038 STYLEP2, T1033 and 16 more. Substitute compatibility should be verified for your specific system.
Is 1312N2 still available?
1312N2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026