NSN catalog · 90,963 partsCatalog › Valves › FSC 4820 › 4820-01-225-6695
Safety Relief Valve P/N M5159N-4M(L)-200ASME
In stock — 12 on our U.S. shelfNSN 4820-01-225-6695 4820012256695 NIIN 012256695
SECO Parts has 12 in stock of NSN 4820-01-225-6695 — Safety Relief Valve — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $768.92 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 RELIEF
- Federal supply class
- FSC 4820 — Valves, Nonpowered
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 12 |
| Total | 12 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
4820-01-225-6695 012256695 M5159N-4M(L)-200ASME 5159N-4M-200 95202-200-ASME 95122-200-ASME
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
- Thread direction
- First End Right-Hand
- Flow control device
- Poppet
- Maximum operating temp
- Single Response Fahrenheit 250.0
- Valve operation method
- Automatic
- Connection type
- First End Threaded External Pipe
- Adjustable pressure range
- Pounds Per Square Inch 10.0 to 2400.0
- Nominal thread size
- First End Inches 0.500
- Operating pressure
- Single Response Pounds Per Square Inch (PSI) Maximum 2500.0
- Opening pressure setting
- Pounds Per Square Inch 2500.0
- Special features
- Utilied on Compressor Unit, Reciprocating, Gas Engine Driven, TM5-4310-378-23P
- Material
- Body Copper Alloy
- Media for which designed
- Third Response Ammonia, Gaseous
- Media for which designed
- First Response Air
- Media for which designed
- Second Response Acetylene
- Media for which designed
- Fourth Response Refrigerant 12
- Media for which designed
- Fifth Response Hydrogen
- Thread series designator
- First End NPT
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
M5159N-4M(L)-200ASME 5159N-4M-200 95202-200-ASME 95122-200-ASME
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 12 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 4820-01-225-6695?
NSN 4820-01-225-6695 (4820012256695) — Safety Relief Valve: SECO Parts has 12 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 4820-01-225-6695 available?
SECO Parts has 12 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4820-01-225-6695 cost?
The government catalog (FEDLOG) lists NSN 4820-01-225-6695 at $768.92 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 4820-01-225-6695?
Part numbers that cross-reference this NSN include M5159N-4M(L)-200ASME, 5159N-4M-200, 95202-200-ASME, 95122-200-ASME. 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.