PartsTable
Technical Data Sheet
Download PDF

MC13122 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MC13122: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM, special_features: T.O.9H8-12-4-3 FIGURE 10 INDEX 8,PART OF SWITCHING VALVE USED ON F-15 AIRCRAFT, fsc_application_data: AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-344-0838, 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
MC13122
NSN: 5340-00-344-0838
FSC: 5340 — Hardware, Commercial
CAGE: 99643 — EATON AEROSPACE LLC DBA EATON AEROSPACE JACKSON (USA)
SPECIFICATIONS
materialALUMINUM
special_featuresT.O.9H8-12-4-3 FIGURE 10 INDEX 8,PART OF SWITCHING VALVE USED ON F-15 AIRCRAFT
fsc_application_dataAIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS
NSN5340-00-344-0838
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MC13122 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
•
FSC APPLICATION DATA: AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS
•
MATERIAL: ALUMINUM
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAAIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS
SPECIAL FEATUREST.O.9H8-12-4-3 FIGURE 10 INDEX 8,PART OF SWITCHING VALVE USED ON F-15 AIRCRAFT
MATERIALALUMINUM
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 1
10117344Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy MC13122?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MC13122?
MC13122 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace MC13122?
There is 1 known substitute for MC13122: 10117344. Substitute compatibility should be verified for your specific system.
What is the NSN for MC13122?
MC13122 is cataloged in the U.S. Government catalog under NSN 5340-00-344-0838. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MC13122

✓ 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.