NSN catalog · 90,963 partsCatalog › Valves › FSC 4820 › 4820-01-511-1511
Safety Relief Valve P/N PRV9434F075
In stock — 1 on our U.S. shelfNSN 4820-01-511-1511 4820015111511 NIIN 015111511
SECO Parts has 1 in stock of NSN 4820-01-511-1511 — Safety Relief Valve — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $60–$105 each — an estimate from the government catalog price and what we have charged for similar parts. Not a quote: request one for your price. Quote lines carry a $50 minimum.
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 | 1 |
| Total | 1 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
4820-01-511-1511 015111511 PRV9434F075 1598AS133-1 1598AS133-1CP PRV9434F075CP
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
- Thread direction
- Second End Right-Hand
- Connection type
- First End Threaded External Pipe
- Connection type
- Second End Threaded Internal Pipe
- Nominal thread size
- First End Inches 0.500
- Nominal thread size
- Second End Inches 0.500
- Criticality code justification
- Zzzy
- Part name assigned by controlling agency
- Relief Valve .500 NPT Inline
- Special features
- Temperature: 120 Deg F to -321 Deg F; Set Pressure: 75 Psig; Proof Pressure: 300 Psig(Min); Capacity: Valve Shall BE Capable of Discharging 100 Cf/min of Air AT 108 Psig(Min); Valve Shall Automatically Reseat AT NO Lower Than 675 Psig
- Material
- Overall Steel Corrosion Resisting
- Media for which designed
- Single Response Oxygen, Liquid
- Thread series designator
- First End Ptf-Sae Short
- Thread series designator
- Second End Ptf-Sae Short
- Reference number differentiating characteristics
- Cleaning, Packaging, and Marking Iaw MIL-STD-1330D
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
PRV9434F075 1598AS133-1 1598AS133-1CP PRV9434F075CP
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 4820-01-511-1511?
NSN 4820-01-511-1511 (4820015111511) — 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 4820-01-511-1511 available?
SECO Parts has 1 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4820-01-511-1511 cost?
SECO typically prices parts like NSN 4820-01-511-1511 at $60–$105 each: an estimate from the government catalog price and what SECO has charged for similar parts. It is not a quote — request one for your price, usually answered the same business day. Quote lines carry a $50 minimum.
What part numbers cross-reference to NSN 4820-01-511-1511?
Part numbers that cross-reference this NSN include PRV9434F075, 1598AS133-1, 1598AS133-1CP, PRV9434F075CP. 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.