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5340PL0845437 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5340PL0845437: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL COMP 410, design_type: SOLID, fsc_application_data: ENGINE,AIRCRAFT,TURBOFAN, material_hardness_rating: 25.0 ROCKWELL C MINIMUM AND 233.0 ROCKWELL C MAXIMUM, material_document_and_classification: AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-354-7954, 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
5340PL0845437
NSN: 5340-00-354-7954
FSC: 5340 — Hardware, Commercial
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialSTEEL COMP 410
design_typeSOLID
fsc_application_dataENGINE,AIRCRAFT,TURBOFAN
material_hardness_rating25.0 ROCKWELL C MINIMUM AND 233.0 ROCKWELL C MAXIMUM
material_document_and_classificationAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-354-7954
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5340PL0845437 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: ENGINE,AIRCRAFT,TURBOFAN
•
MATERIAL HARDNESS RATING: 25.0 ROCKWELL C MINIMUM AND 233.0 ROCKWELL C MAXIMUM
•
DESIGN TYPE: SOLID
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: STEEL COMP 410
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAENGINE,AIRCRAFT,TURBOFAN
MATERIAL HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 233.0 ROCKWELL C MAXIMUM
DESIGN TYPESOLID
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 410
SUBSTITUTES & CROSS-REFERENCES 2
4021692Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
4084847Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 5340PL0845437?
5340PL0845437 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 5340PL0845437?
There are 2 known substitutes for 5340PL0845437: 4021692, 4084847. Substitute compatibility should be verified for your specific system.
What is the NSN for 5340PL0845437?
5340PL0845437 is cataloged in the U.S. Government catalog under NSN 5340-00-354-7954. 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.