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SP-21979 — DAMPER,SHIMMY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SP-21979: DAMPER,SHIMMY.

The DAMPER,SHIMMY is a the manufacturer industrial component. Key specifications include special_features: DRAWING NAME: DAMPER, TRAY, end_item_identification: LW155 HOWITZER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-524-8573, 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
SP-21979
NSN: 5340-01-524-8573
FSC: 5340 — Hardware, Commercial
CAGE: 24403 — ITT ENIDINE INC. DBA ITT ENIDINE INC (USA)
SPECIFICATIONS
special_featuresDRAWING NAME: DAMPER, TRAY
end_item_identificationLW155 HOWITZER
NSN5340-01-524-8573
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SP-21979 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESDRAWING NAME: DAMPER, TRAY
END ITEM IDENTIFICATIONLW155 HOWITZER
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 3
60202790Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
13049479Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AMP-01-09-22204Same 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 SP-21979?
SP-21979 is a DAMPER,SHIMMY.
What parts can replace SP-21979?
There are 3 known substitutes for SP-21979: 60202790, 13049479, AMP-01-09-22204. Substitute compatibility should be verified for your specific system.
What is the NSN for SP-21979?
SP-21979 is cataloged in the U.S. Government catalog under NSN 5340-01-524-8573. This indicates validated use in U.S. government and defense supply chains.
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