NSN catalog · 90,963 partsCatalog › Valves › FSC 4820 › 4820-00-435-7577
Safety Relief Valve P/N 11621099
In stock — 1 on our U.S. shelfNSN 4820-00-435-7577 4820004357577 NIIN 004357577
SECO Parts has 1 in stock of NSN 4820-00-435-7577 — Safety Relief Valve — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $55–$90 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
- Used on
- Harnischfeger Corp.; Model M320T2,Crane Truck Mounted,NSN Truck Mounted Crane-Shovel (3810-00-151-4431)
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:
4820-00-435-7577 004357577 11621099 346-95 277227N 277227 4-R-3249 36Z571 051-00011 7-926-000931
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
- Material
- Overall Aluminum
- Valve operation method
- Automatic
- Thread series designator
- All Ends NPT
- Nominal thread size
- All Ends Inches 0.250
- Connection type
- All Ends Threaded Internal Pipe
- Thread direction
- All Ends Right-Hand
- Flow control device
- Disk
- Operating pressure
- Single Response Pounds Per Square Inch (PSI) Maximum 75.0
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
11621099 346-95 277227N 277227 4-R-3249 36Z571 051-00011
Also referenced as
7-926-000931
Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 4820-00-435-7577?
NSN 4820-00-435-7577 (4820004357577) — 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 4820-00-435-7577 available?
SECO Parts has 1 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4820-00-435-7577 cost?
SECO typically prices parts like NSN 4820-00-435-7577 at $55–$90 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 does NSN 4820-00-435-7577 fit?
The federal catalog lists NSN 4820-00-435-7577 as used on: Harnischfeger Corp.; Model M320T2,Crane Truck Mounted,NSN Truck Mounted Crane-Shovel (3810-00-151-4431).
What part numbers cross-reference to NSN 4820-00-435-7577?
Part numbers that cross-reference this NSN include 11621099, 346-95, 277227N, 277227, 4-R-3249, 36Z571, 051-00011. It is also referenced by older, superseded or advisory numbers: 7-926-000931. 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.