NSN 4820-00-074-7991 Repair Services

Valve Seat Overhaul, Repair, and Maintenance

MPN: 3379, 1356DPC17, 254, 254-00

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-074-7991 valve seat

FAA and EASA Part 145 Certified Repair Stations Ensuring the highest standards of quality and compliance for our clients' needs.

We specialize in the repair and refurbishment of nsn components. From mechanical assemblies to rotor blades, our comprehensive capabilities cover a wide range of NSN parts, providing cost effective solutions to extend the operational life of vital equipment.

NSN 4820-00-074-7991 has been designated as a repairable item and has been included in our capabilities catalog. If you require overhaul or repair services use the form on this page to send us your information. We will provide you with a lead time and price quote.

Repairability and Datasheet

NSN 4820-00-074-7991 can be offered in repaired, serviceable, overhauled, or inspected conditions.

National Stock Number (NSN)	4820-00-074-7991
Categorization	Parts of taps, cocks, valves and similar appliances
Repairability Code
Approximate Weight	0.1lb
Thread Class	2a single threaded portion
Thread Length	0.250 inches single threaded portion
Flange Diameter	1.750 inches
Body Inside Diameter	1.313 inches
Flange Seat To Disk End Height	0.375 inches
Under Flange Height	Between 0.250 inches and 0.251 inches
Thready Qty Per Inch (tpi)	16 single threaded portion
Thread Size	0.625 inches single threaded portion
Seating Surface Shape	Flat
Material	Copper alloy
Style Designator	Threaded flanged
Thread Series Designator	Un single threaded portion

Part Numbers

Part Number	Company	RNAAC (Repair Depot)
3379	LAWLER MANUFACTURING CO. INC.	AX - DLA LAND AND MARITIME
1356DPC17	LAWLER MANUFACTURING CO. INC.	AX - DLA LAND AND MARITIME
254	TRAC REGULATORS INC	AX - DLA LAND AND MARITIME
3379	TRAC REGULATORS INC	ZZ - USA
254-00	TRAC REGULATORS INC	ZZ - USA