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Technical Data Sheet
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197544 — SPRING SPECIAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

197544: SPRING SPECIAL.

The SPRING SPECIAL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-00-321-5779, 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
197544
NSN: 5340-00-321-5779
NIINs: 003215779, 004525436
FSC: 5340 — Hardware, Commercial
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
Part Number197544
NSN5340-00-321-5779
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 197544 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 3
1522264Reference document
Same NSN cross-reference
Reference document — Secondary reference
15222264Reference document
Same NSN cross-reference
Reference document — Secondary reference
R20385Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 197544?
197544 is a SPRING SPECIAL.
What parts can replace 197544?
There are 3 known substitutes for 197544: 1522264, 15222264, R20385. Substitute compatibility should be verified for your specific system.
What is the NSN for 197544?
197544 is cataloged in the U.S. Government catalog under NSN 5340-00-321-5779. This indicates validated use in U.S. government and defense supply chains.
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