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PartsTable / COMPONENT / 26901 1-2
26901 1-2 ✓ 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 BUCKLE is a the manufacturer industrial component. Key specifications include insignia: NOT INCLUDED, material: STEEL OVERALL, overall_width: 2.090 INCHES NOMINAL IN, overall_length: 2.060 INCHES NOMINAL IN, enameled_feature: NOT INCLUDED, buckle_style_designator: CENTER NOTHCED BAR-OFFSET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-805-1055, 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
26901 1-2
NSN: 5340-00-805-1055
FSC: 5340
CAGE: 80318 — BTR VALVE SEALANTS INC (USA)
SPECIFICATIONS
insigniaNOT INCLUDED
materialSTEEL OVERALL
overall_width2.090 INCHES NOMINAL IN
overall_length2.060 INCHES NOMINAL IN
enameled_featureNOT INCLUDED
buckle_style_designatorCENTER NOTHCED BAR-OFFSET
strap_accommodation_width1.530 INCHES NOMINAL IN
NSN5340-00-805-1055
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 26901 1-2 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
•
MATERIAL: STEEL OVERALL
•
STRAP ACCOMMODATION WIDTH: 1.530 INCHES NOMINAL IN
•
BUCKLE STYLE DESIGNATOR: CENTER NOTHCED BAR-OFFSET
•
ENAMELED FEATURE: NOT INCLUDED
•
INSIGNIA: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
STRAP ACCOMMODATION WIDTH1.530 INCHES NOMINAL IN
BUCKLE STYLE DESIGNATORCENTER NOTHCED BAR-OFFSET
ENAMELED FEATURENOT INCLUDED
INSIGNIANOT INCLUDED
OVERALL LENGTH2.060 INCHES NOMINAL IN
OVERALL WIDTH2.090 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
1055Upgraded Successor
successor cross-reference
successor
1055SIZE1 1-2Upgraded Successor
successor cross-reference
successor
1127-20Upgraded Successor
successor cross-reference
successor
2690Interchangeable
interchangeable cross-reference
interchangeable
705260Interchangeable
interchangeable cross-reference
interchangeable
AT-2690Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26901 1-2?
26901 1-2 is a BUCKLE.
What parts can replace 26901 1-2?
There are 15 known substitutes for 26901 1-2: 1055, 1055SIZE1 1-2, 1127-20 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26901 1-2?
26901 1-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-805-1055. 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