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521502880 — STRAP,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

521502880: STRAP,RETAINING.

The STRAP,RETAINING is a the manufacturer industrial component. Key specifications include cushion: NOT INCLUDED, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 1.250 INCHES NOMINAL IN, overall_length: 1.500 INCHES NOMINAL IN, special_features: FURNISHED WITH ONE ROUND PIN 0.500 IN. LG,0.188 IN.

DIA IN. This part is cataloged in the U.S. Government catalog under NSN 5340-00-370-0606, 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
521502880
NSN: 5340-00-370-0606
FSC: 5340 — Hardware, Commercial
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width1.250 INCHES NOMINAL IN
overall_length1.500 INCHES NOMINAL IN
special_featuresFURNISHED WITH ONE ROUND PIN 0.500 IN. LG,0.188 IN. DIA IN
mounting_hole_size0.080 INCHES NOMINAL IN
distance_between_mounting_hole_centers0.375 INCHES NOMINAL IN
NSN5340-00-370-0606
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 521502880 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
•
MOUNTING HOLE SIZE: 0.080 INCHES NOMINAL IN
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 0.375 INCHES NOMINAL IN
•
MOUNTING PAD: NOT INCLUDED
•
CUSHION: NOT INCLUDED
•
MATERIAL: STEEL LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE SIZE0.080 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS0.375 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
OVERALL LENGTH1.500 INCHES NOMINAL IN
OVERALL WIDTH1.250 INCHES NOMINAL IN
CUSHIONNOT INCLUDED
SPECIAL FEATURESFURNISHED WITH ONE ROUND PIN 0.500 IN. LG,0.188 IN. DIA IN
MATERIALSTEEL LOCATION NOT OTHERWISE SPECIFIED
SUBSTITUTES & CROSS-REFERENCES 1
150288Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 521502880?
521502880 is a STRAP,RETAINING.
What parts can replace 521502880?
There is 1 known substitute for 521502880: 150288. Substitute compatibility should be verified for your specific system.
What is the NSN for 521502880?
521502880 is cataloged in the U.S. Government catalog under NSN 5340-00-370-0606. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.