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Technical Data Sheet
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15653-1 — WASHER,SPRING TENSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

15653-1: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include end_item_identification: TT-311/UG,DISTRIBUTOR TRANSMITTER. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-407-5616, 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
15653-1
NSN: 5340-00-407-5616
NIINs: 004075616, 007670766, 016052965
FSC: 5340 — Hardware, Commercial
CAGE: 78039 — LEICA INC SURVEYING AND PHOTOGRAMMETRY SYSTEMS DIV (USA)
SPECIFICATIONS
end_item_identificationTT-311/UG,DISTRIBUTOR TRANSMITTER
NSN5340-00-407-5616
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 15653-1 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
SUBSTITUTES & CROSS-REFERENCES 1
SMB182830Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 15653-1?
15653-1 is a WASHER,SPRING TENSION.
What parts can replace 15653-1?
There is 1 known substitute for 15653-1: SMB182830. Substitute compatibility should be verified for your specific system.
What is the NSN for 15653-1?
15653-1 is cataloged in the U.S. Government catalog under NSN 5340-00-407-5616. This indicates validated use in U.S. government and defense supply chains.
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