121B8
View detailed technical data, stock status, and sourcing information for: 121B8
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 121B8 to receive an up to date pricing and availability quote by email.
Federal Supply Group
Valves
Federal Supply Classification
4820 Nonpowered Valves
National Stock Number
4820-00-796-9680
Item Name Code
37931
Assigment Date
01/01/1961 (65 years ago)
coupling used to transfer liquid oxygen from supply source to aircraft lox converters special features, aircraft; c-141,c-135,c-5,f-15,f-16; aircraft support equipment; b-52,b-1,e-48,f-5 end item identification
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- End Item Identification
- aircraft; c-141,c-135,c-5,f-15,f-16; aircraft support equipment; b-52,b-1,e-48,f-5
- Special Features
- coupling used to transfer liquid oxygen from supply source to aircraft lox converters
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4820-00-497-2227 | No Name Available | 08/01/1997 |
| 4730-01-239-4546 | No Name Available | 03/01/1989 |
| 4730-01-240-6633 | No Name Available | 09/01/1990 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 121B8 | Liquid Oxygen Drain Valve |
| 20C-0021-2 | Liquid Oxygen Drain Valve |
| 20C0021-1 | Liquid Oxygen Drain Valve |
| 21123-1 | Liquid Oxygen Drain Valve |
| 35M463-1 | Liquid Oxygen Drain Valve |
| 65M463-1 | Liquid Oxygen Drain Valve |
| 65M4631 | Liquid Oxygen Drain Valve |
| 94-2544-01201 | Liquid Oxygen Drain Valve |
| CRU59E | Liquid Oxygen Drain Valve |
| D3154 | Liquid Oxygen Drain Valve |
| LV1363 | Liquid Oxygen Drain Valve |
| MIL-PRF-38201 | Liquid Oxygen Drain Valve |
| MILV38201 | Liquid Oxygen Drain Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-796-9680?
The FSCG of the NSN 4820-00-796-9680 is 4820
Does the NSN 4820-00-796-9680 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809050
Does NSN 4820-00-796-9680 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4820-00-796-9680 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-796-9680 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4820-00-796-9680 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961
Professional Distribution
Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- AS9120 Quality Standards
- 100% Quality Inspections
You May Also Like
Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.
4920-01-341-7826
T309MTM110 Aircraft Maintenance Fixture
6130-01-207-6752
16E3102-811 Battery Control Assembly-Chassis
2815-00-779-6329
BM58553 Piston Connecting Rod
6505-01-047-5383
NDC63323-0187-30 Sodium Chloride Injection
5905-01-586-3926
RNC60K4754FS Film Fixed Resistor
4820-00-547-3098
3287637REVBPC21SH2 Valve Seat
Pricing
Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:
In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| As Removed | 5 |
| Overhauled | 1 |
| New Material | 29 |
| Serviceable | 2 |
| New Surplus | 2 |
| Total | 39 |
Availability of this item was last updated on:
03/27/2026 12:03 AM EDT.
Stock levels and pricing are subject to change.