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ST1538 — BAND,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST1538: BAND,RETAINING.

The BAND,RETAINING is a the manufacturer industrial component. Key specifications include width: 0.750 INCHES NOMINAL IN, length: 0.250 INCHES NOMINAL IN, end_style: LOOP WITH T-BOLT, thickness: 0.025 INCHES NOMINAL IN, thread_size: 28, special_features: EACH STRAP SHALL CONTAIN 1 EA 0.250-28 UNF NUT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-542-7401, 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
NSN: 5340-01-542-7401
FSC: 5340 — Hardware, Commercial
CAGE: 14242 — VOSS INDUSTRIES, LLC (USA)
SPECIFICATIONS
width0.750 INCHES NOMINAL IN
length0.250 INCHES NOMINAL IN
end_styleLOOP WITH T-BOLT
thickness0.025 INCHES NOMINAL IN
thread_size28
special_featuresEACH STRAP SHALL CONTAIN 1 EA 0.250-28 UNF NUT
basic_shape_styleFLAT
end_item_identification2320-01-413-3739, TRUCK, UTILITY
NSN5340-01-542-7401
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST1538 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: 0.250 INCHES NOMINAL IN
•
END STYLE: LOOP WITH T-BOLT
•
BASIC SHAPE STYLE: FLAT
•
THREAD SIZE: 28
•
WIDTH: 0.750 INCHES NOMINAL IN
•
THICKNESS: 0.025 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH0.250 INCHES NOMINAL IN
END STYLELOOP WITH T-BOLT
BASIC SHAPE STYLEFLAT
THREAD SIZE28
SPECIAL FEATURESEACH STRAP SHALL CONTAIN 1 EA 0.250-28 UNF NUT
WIDTH0.750 INCHES NOMINAL IN
END ITEM IDENTIFICATION2320-01-413-3739, TRUCK, UTILITY
THICKNESS0.025 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
4668988-000Reference document
Same NSN cross-reference
Reference document — Secondary reference
ST1536Reference document
Same NSN cross-reference
Reference document — Secondary reference
4668988Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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?
ST1538 is a BAND,RETAINING.
What parts can replace ST1538?
There are 3 known substitutes for ST1538: 4668988-000, ST1536, 4668988. Substitute compatibility should be verified for your specific system.
What is the NSN for ST1538?
ST1538 is cataloged in the U.S. Government catalog under NSN 5340-01-542-7401. This indicates validated use in U.S. government and defense supply chains.
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