About Us

MilSpec.parts is a distributor of military and aeronautical standard parts, consumables, and components. We supply a range of adhesives and chemicals, hardware, electrical, and shop supplies. If you have an exact part number, use the global search at the top of this page. You can also find parts using the NSN Catalog link below, or click the Parts by Milspec to find parts by Milspec category.

NSN 4820-01-290-5644

NSN 4820-01-290-5644
Ball Valve

NSN 4820-00-571-5869

NSN 4820-00-571-5869
Valve Disk

NSN 4820-01-201-0799

NSN 4820-01-201-0799
Gaseou Pressure Equalizing Valve

NSN 4820-01-193-1762

NSN 4820-01-193-1762
Boo Valve Assembly

NSN 4820-01-034-5559

NSN 4820-01-034-5559
Check Valve

NSN 4820-01-040-9456

NSN 4820-01-040-9456
Check Valve

NSN 4820-00-163-5745

NSN 4820-00-163-5745
Safety Relief Valve

Parts by MILSPEC

Milspec standards are established by the US Department of Defense (DoD) to ensure the quality, reliability, and compatibility of military equipment and materials. This catalog organizes all NSN products by their MILSPEC designations.

NSN Stock Inventory

Inventory quantities last updated: 10/17/2025 01:18pm view all »

NSN 4020-00-089-0374
Fibrous Rope
Stock: 712
NSN 5310-01-255-0102
Hexagon Plain Nut
Stock: 5
NSN 2995-00-225-7458
Operatin Valve Seat
Stock: 9
NSN 4730-01-052-5209
Tube Reducer
Stock: 22
NSN 4810-01-670-2355
Gate Valve
Stock: 8
NSN 5325-01-255-6751
Screw Thread Insert
Stock: 1
NSN 3110-00-100-0695
Tapered Roller Cone And Rollers
Stock: 733
NSN 2840-01-576-2630
Carrier Planetary Reduction Gear
Stock: 4