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FT5337-61-26 — FT5337-61-26

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

FT5337-61-26: FT5337-61-26.

The FT5337-61-26 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-454-2495, 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
FT5337-61-26
NSN: 5340-01-454-2495
FSC: 5340 — Hardware, Commercial
CAGE: 58794 — FASTENER TECHNOLOGY CORP (USA)
SPECIFICATIONS
Part NumberFT5337-61-26
NSN5340-01-454-2495
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: FT5337-61-26 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
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
LENGTH: 2.600 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A
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THREAD LENGTH: 0.190 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
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STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6, T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
LENGTH2.600 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A
THREAD LENGTH0.190 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
THREAD LENGTH0.190 INCHES NOMINAL RIGHT INTERNAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6, T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD DIRECTIONRIGHT-HAND RIGHT INTERNAL
NOMINAL THREAD SIZE0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
SUBSTITUTES & CROSS-REFERENCES 1
HS4138-61-26Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 FT5337-61-26?
FT5337-61-26 is a FT5337-61-26.
What parts can replace FT5337-61-26?
There is 1 known substitute for FT5337-61-26: HS4138-61-26. Substitute compatibility should be verified for your specific system.
What is the NSN for FT5337-61-26?
FT5337-61-26 is cataloged in the U.S. Government catalog under NSN 5340-01-454-2495. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.