NSN catalog · 90,963 partsCatalog › Valves › FSC 4820 › 4820-00-287-4045
Safety Relief Valve P/N 5422-200
In stock — 1 on our U.S. shelfNSN 4820-00-287-4045 4820002874045 NIIN 002874045
SECO Parts has 1 in stock of NSN 4820-00-287-4045 — Safety Relief Valve — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $1,042.26 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,SAFETY RELIEF
- SECO description
- VALVE, SAFETY
- 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:
4820-00-287-4045 002874045 5422-200 WW5709542ITEM52 51500S59-973PC104 0ME145-25PC1CT019C 0ME126-25APC1CT019C 5MF30-434 ITEM 77-5MF30-574-3
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
- Bonnet attachment method
- Threaded
- Disk loading method
- Spring
- Material
- Stem Copper Alloy
- Valve operation method
- Automatic
- Operating pressure
- Single Response Pounds Per Square Inch (PSI) Maximum 155.0
- Material
- Flow Control Device Rubber Chloroprene Class CR
- Nominal outside diameter tube accommodated
- All Ends Inches 0.625
- Material
- Body Copper Alloy
- Media for which designed
- Single Response Refrigerant 12
- Connection type
- All Ends Unthreaded Internal Tube
- Features provided
- Valve Stem Lock Shield and Pressure Tight Outlet Side
- Material
- Seat Copper Alloy
- Bonnet type
- Inside Spring
- Opening pressure setting
- Pounds Per Square Inch 200.0
- Flow control device
- Disk
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
5422-200 WW5709542ITEM52 51500S59-973PC104 0ME145-25PC1CT019C 0ME126-25APC1CT019C
Also referenced as
5MF30-434 ITEM 77-5MF30-574-3
Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.
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 4820-00-287-4045?
NSN 4820-00-287-4045 (4820002874045) — Safety Relief Valve: SECO Parts has 1 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for safety relief valve in federal supply class 4820 (Valves, Nonpowered).
Is NSN 4820-00-287-4045 available?
SECO Parts has 1 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4820-00-287-4045 cost?
The government catalog (FEDLOG) lists NSN 4820-00-287-4045 at $1,042.26 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 4820-00-287-4045?
Part numbers that cross-reference this NSN include 5422-200, WW5709542ITEM52, 51500S59-973PC104, 0ME145-25PC1CT019C, 0ME126-25APC1CT019C. It is also referenced by older, superseded or advisory numbers: 5MF30-434 ITEM 77-5MF30-574-3. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names VALVE,SAFETY RELIEF. Same name is not the same part: check the part numbers.