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4084237 — CASE,DIFFUSER,AIRCRAFT GAS TURBI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4084237: CASE,DIFFUSER,AIRCRAFT GAS TURBI.

CASE,DIFFUSER,AIRCRAFT GAS TURBI. Key specifications include diameter: 28.330 INCHES MINIMUM AND 28.350 INCHES MAXIMUM IN, material: STEEL OVERALL, design_type: AXIAL COMPRESSOR, overall_length: 13.940 INCHES MINIMUM AND 13.946 INCHES MAXIMUM IN, hardness_rating: 34.0 ROCKWELL C NOMINAL OVERALL, end_item_identification: F100-PW-229 AIRCRAFT GAS TURBINE ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-257-4862, 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
4084237
NSN: 5340-01-257-4862
NIINs: 012574862, 014480656
FSC: 5340 — Hardware, Commercial
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
diameter28.330 INCHES MINIMUM AND 28.350 INCHES MAXIMUM IN
materialSTEEL OVERALL
design_typeAXIAL COMPRESSOR
overall_length13.940 INCHES MINIMUM AND 13.946 INCHES MAXIMUM IN
hardness_rating34.0 ROCKWELL C NOMINAL OVERALL
end_item_identificationF100-PW-229 AIRCRAFT GAS TURBINE ENGINE
engine_section_locationTURBINE
criticality_code_justificationABHP AND ABMZ AND CQFM
NSN5340-01-257-4862
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4084237 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4084237?
4084237 is a CASE,DIFFUSER,AIRCRAFT GAS TURBI.
What is the NSN for 4084237?
4084237 is cataloged in the U.S. Government catalog under NSN 5340-01-257-4862. 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.