NSN catalog · 90,963 partsCatalog › Valves › FSC 4820 › 4820-00-483-0679
Check Valve P/N 803-1385721-31
In stock — 1 on our U.S. shelfNSN 4820-00-483-0679 4820004830679 NIIN 004830679
SECO Parts has 1 in stock of NSN 4820-00-483-0679 — Check Valve — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $823.27 per each — a public reference, not our price. We quote each request, usually the same business day, and surplus parts often quote below or above it.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- VALVE,CHECK
- SECO description
- VALVE, CHECK
- Federal supply class
- FSC 4820 — Valves, Nonpowered
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 1 |
| Total | 1 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
4820-00-483-0679 004830679 803-1385721-31 810-1385721 803-1385721-3
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Material
- Flow Control Device Nickel Alloy 400 or Nickel Alloy R-405
- Nominal pipe size accommodated
- All Ends Inches 0.500
- Material
- Body Copper Alloy 922
- Operating pressure
- Second Response Pounds Per Square Inch (PSI) Maximum 400.0
- Maximum operating temp
- Second Response Fahrenheit 150.0
- Media for which designed
- First Response Steam
- Special features
- Swing Check Type
- Test data document
- Standard (Includes Industry or Association Standards, Individual Manufactureer Standards, Etc.). 03950-882036962
- Connection type
- All Ends Unthreaded Internal Pipe
- Mounting position
- Horizontal or Vertical
- Material document and classification
- Seat Fed Spec Single Material Response QQ-C-390,Alloy DR to D to
- Material
- Seat Copper Alloy 922
- Flow control device
- Disk
- Media for which designed
- Second Response Water-Oil-Gas
- Material document and classification
- Body Fed Spec Single Material Response QQ-C-390,Alloy D4 to D to
- Material document and classification
- Flow Control Device Fed Spec Single Material Response QQ-N-281
- Maximum operating temp
- First Response Fahrenheit 425.0
- Valve operation method
- Automatic
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
803-1385721-31 810-1385721 803-1385721-3
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 1 on the shelf |
| Unit of issue | EA each |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 4820-00-483-0679?
NSN 4820-00-483-0679 (4820004830679) — Check Valve: SECO Parts has 1 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for check valve in federal supply class 4820 (Valves, Nonpowered).
Is NSN 4820-00-483-0679 available?
SECO Parts has 1 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4820-00-483-0679 cost?
The government catalog (FEDLOG) lists NSN 4820-00-483-0679 at $823.27 per each. That is a public reference, not SECO's price: SECO quotes each request, usually the same business day, and surplus parts often quote below or above it.
What part numbers cross-reference to NSN 4820-00-483-0679?
Part numbers that cross-reference this NSN include 803-1385721-31, 810-1385721, 803-1385721-3. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names VALVE,CHECK. Same name is not the same part: check the part numbers.