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ST1538-2-263 — BAND,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST1538-2-263: BAND,RETAINING.

The BAND,RETAINING is a the manufacturer industrial component. Key specifications include width: 0.630 INCHES NOMINAL IN, length: 2.630 INCHES NOMINAL IN, material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316, end_style: SOLID LOOP, thickness: 0.020 INCHES NOMINAL IN, loop_radius: 0.190 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-024-3759, 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
ST1538-2-263
NSN: 5340-01-024-3759
FSC: 5340 — Hardware, Commercial
CAGE: 14242 — VOSS INDUSTRIES, LLC (USA)
SPECIFICATIONS
width0.630 INCHES NOMINAL IN
length2.630 INCHES NOMINAL IN
materialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316
end_styleSOLID LOOP
thickness0.020 INCHES NOMINAL IN
loop_radius0.190 INCHES NOMINAL IN
basic_shape_styleFLAT
material_document_and_classificationMIL-S-5059, 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-024-3759
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST1538-2-263 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
•
LENGTH: 2.630 INCHES NOMINAL IN
•
END STYLE: SOLID LOOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059, 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE
•
LOOP RADIUS: 0.190 INCHES NOMINAL IN
•
BASIC SHAPE STYLE: FLAT
•
WIDTH: 0.630 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316
TECHNICAL CHARACTERISTICS
LENGTH2.630 INCHES NOMINAL IN
END STYLESOLID LOOP
END STYLELOOP WITH LATCH
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059, 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE
LOOP RADIUS0.190 INCHES NOMINAL IN
BASIC SHAPE STYLEFLAT
WIDTH0.630 INCHES NOMINAL IN
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316
THICKNESS0.020 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
10117551Reference document
Same NSN cross-reference
Reference document — Informative reference only
3063EEL263GReference document
Same NSN cross-reference
Reference document — Secondary reference
ST9M446-2-263Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST1538-2-263?
ST1538-2-263 is a BAND,RETAINING.
What parts can replace ST1538-2-263?
There are 3 known substitutes for ST1538-2-263: 10117551, 3063EEL263G, ST9M446-2-263. Substitute compatibility should be verified for your specific system.
What is the NSN for ST1538-2-263?
ST1538-2-263 is cataloged in the U.S. Government catalog under NSN 5340-01-024-3759. This indicates validated use in U.S. government and defense supply chains.
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