Part Number

5-496N507-90

Preformed Packing · OEM / vendor part number · NSN 5331-01-226-8749

Unit price $26.28 USD
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At a Glance

5-496N507-90 details

Part number5-496N507-90
Specification familyOEM / vendor part number
Item namePreformed Packing
Alternate references5-496-N-507-90-MS
Unit of issueEA
Cross-referenced NSN5331-01-226-8749
Federal Supply Class (FSC)5331 — O-Rings
Unit price (USD)$26.28
Country of originTürkiye (Turkey)
Lead timeWithin 90 days of order
Minimum orderMay apply — confirm on quote
DocumentationSource documentation provided on all orders
About This Part

O-Rings

Precision elastomeric sealing rings of circular cross-section used for static and dynamic sealing in grooves and glands.

Reading the part number. 5-496N507-90 is a vendor part number for this preformed packing. If your documentation lists a different reference for the same item, include it on the quote and we will confirm the cross-reference.

Price in context. Across the 692 items we currently stock in FSC 5331 (O-Rings), published unit prices run from $0.14 to $3,504.60. At $26.28, this item sits well above the class median of $5.25 — typical of assemblies and higher-value line items in this class.

Who orders 5-496N507-90. Aircraft owners and MRO shops replacing standard hardware, machine shops and OEMs filling a bill of materials, and government contractors sourcing against NSN 5331-01-226-8749. You can order by part number or by stock number — it is the same item, the same published price, and the same quote form.

Applicable standards. AS568 dash sizes, MIL-P-5510 / SAE AS5857; nitrile, fluorocarbon (Viton), EPDM, and silicone compounds.

Need this part modified, or a similar part made to your print? See our U.S.-based CNC machining services and aerospace machining capability.

Sourcing & Compliance

Origin, documentation & ordering terms

Country of Origin & Trade Eligibility

Country of origin: Türkiye (Turkey) — a DFARS qualifying country. Türkiye is a NATO ally with a reciprocal defense procurement agreement with the U.S. Department of Defense, making it a qualifying country under DFARS 225.003. On DoD and DLA solicitations, qualifying-country end products are evaluated without Buy American price penalties — they compete on par with domestic product — and DoD trade-agreements clauses (DFARS 252.225-7021) expressly accept qualifying-country end products.

Dollar thresholds. The Trade Agreements Act only applies to supply contracts at or above $174,000 (the WTO GPA threshold effective March 2026); below that — where the vast majority of hardware buys fall — the TAA does not apply at all. The main exclusion is civilian-agency solicitations at or above that threshold that restrict award to TAA designated-country products (Türkiye is not TAA-designated). Buyers are responsible for confirming the origin requirements of their specific solicitation.

Full country-of-origin and source documentation is provided with every order. Fulfillment within 90 days of order. Minimum order may apply.

Documentation & Acceptance

Items are supplied as stock mil-spec / commercial hardware with source documentation and country-of-origin paperwork on every order. Parts are not supplied with an FAA Form 8130-3 airworthiness tag unless expressly stated on the quote. Buyers installing hardware on certificated aircraft are responsible for acceptance under their own maintenance program, repair station procedures, or owner/operator authority.

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