NSN catalog · 90,963 partsCatalog › Valves › FSC 4820 › 4820-01-450-7517
Check Valve P/N 383 4IN
In stock — 3 on our U.S. shelfNSN 4820-01-450-7517 4820014507517 NIIN 014507517
SECO Parts has 3 in stock of NSN 4820-01-450-7517 — Check Valve — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $1,831.12 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 | 3 |
| Total | 3 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
4820-01-450-7517 014507517 383 4IN B-105986-C 4IN
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
- Flow control device
- Disk
- Disk loading method
- Weight
- Bolt hole quantity
- 8
- Maximum operating temp
- Single Response Fahrenheit 450.0
- Valve operation method
- Automatic
- Flange shape
- All Ends Round with Holes
- Connection type
- All Ends Flange
- Mounting position
- Horizontal or Vertical
- Valve size
- Inches 4.000
- Operating pressure
- Single Response Pounds Per Square Inch (PSI) Maximum 200.0
- Opening pressure setting
- Pounds Per Square Inch 125.0
- Nominal outside diameter
- All Ends Inches 9.000
- Face to face distance
- Inches 11.500
- Nominal thickness
- All Ends Inches 0.688
- Bolt hole nominal diameter
- All Ends Inches 0.750
- Bolt circle nominal diameter
- All Ends Inches 7.500
- Flange face design
- All Ends Plain
- Special features
- 0/S Lever and Weight
- Material
- Flow Control Device Copper Alloy
- Material
- Body Steel
- Material
- Seat Copper Alloy
- Media for which designed
- Single Response Water-Oil-Gas
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
383 4IN B-105986-C 4IN
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 | J Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. SECO has 3 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 4820-01-450-7517?
NSN 4820-01-450-7517 (4820014507517) — Check Valve: SECO Parts has 3 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 4820-01-450-7517 available?
SECO Parts has 3 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4820-01-450-7517 cost?
The government catalog (FEDLOG) lists NSN 4820-01-450-7517 at $1,831.12 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 4820-01-450-7517?
Part numbers that cross-reference this NSN include 383 4IN, B-105986-C 4IN. 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.