NSN catalog · 90,963 partsCatalog › Valves › FSC 4820 › 4820-01-191-6387
Safety Relief Valve P/N 401005
In stock — 44 on our U.S. shelfNSN 4820-01-191-6387 4820011916387 NIIN 011916387
SECO Parts has 44 in stock of NSN 4820-01-191-6387 — Safety Relief Valve — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $35–$75 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
- Federal supply class
- FSC 4820 — Valves, Nonpowered
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 44 |
| Total | 44 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
4820-01-191-6387 011916387 401005 A346-133 1021
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
- All Ends Right-Hand
- Flow control device
- Poppet
- Valve operation method
- Automatic
- Connection type
- All Ends Threaded External Pipe
- Nominal thread size
- All Ends Inches 0.375
- Operating pressure
- Single Response Pounds Per Square Inch (PSI) Maximum 150.0
- Opening pressure setting
- Pounds Per Square Inch 150.0
- Material
- Body Rubber
- Thread series designator
- All Ends NPTF
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
401005 A346-133 1021
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 44 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 4820-01-191-6387?
NSN 4820-01-191-6387 (4820011916387) — Safety Relief Valve: SECO Parts has 44 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 4820-01-191-6387 available?
SECO Parts has 44 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4820-01-191-6387 cost?
SECO typically prices parts like NSN 4820-01-191-6387 at $35–$75 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 4820-01-191-6387?
Part numbers that cross-reference this NSN include 401005, A346-133, 1021. 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.