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Technical Data Sheet
344937 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_width: 1.20 INCHES MINIMUM AND 1.24 INCHES MAXIMUM IN, overall_length: 2.713 INCHES NOMINAL IN, end_item_identification: ACFT ENG J57, criticality_code_justification: FEAT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-708-4371, 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
344937
NSN: 5340-00-708-4371
FSC: 5340
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_width1.20 INCHES MINIMUM AND 1.24 INCHES MAXIMUM IN
overall_length2.713 INCHES NOMINAL IN
end_item_identificationACFT ENG J57
criticality_code_justificationFEAT
NSN5340-00-708-4371
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 344937 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
MATERIAL: STEEL CORROSION RESISTING
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING
OVERALL WIDTH1.20 INCHES MINIMUM AND 1.24 INCHES MAXIMUM IN
SPECIAL FEATURESFLANGE 2.562 IN. WIDE; 2 HOLES 0.276 IN. MIN AND 0.286 IN. MAX DIA; 2 HOLES 0.136 IN. MIN AND 0.146 IN. MAX DIA; DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS FAILUTE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO THE WEAPON SYSTEM, DEATH OR SERIOUS INJURY IN
OVERALL LENGTH2.713 INCHES NOMINAL IN
END ITEM IDENTIFICATIONACFT ENG J57
CRITICALITY CODE JUSTIFICATIONFEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
276-2142P4Interchangeable
interchangeable cross-reference
interchangeable
139-470-2Interchangeable
interchangeable cross-reference
interchangeable
2215963-012Interchangeable
interchangeable cross-reference
interchangeable
435-348Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 344937?
344937 is a BRACKET,MOUNTING.
What parts can replace 344937?
There are 4 known substitutes for 344937: 276-2142P4, 139-470-2, 2215963-012 and 1 more. Substitute compatibility should be verified for your specific system.
Is 344937 still available?
344937 is currently cancelled.
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