NSN catalog · 90,963 partsCatalog › Valves › FSC 4820 › 4820-00-873-3851
Valve Seat P/N 26670
In stock — 1 on our U.S. shelfNSN 4820-00-873-3851 4820008733851 NIIN 008733851
SECO Parts has 1 in stock of NSN 4820-00-873-3851 — Valve Seat — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Government catalog (FEDLOG) price: $1,356.85 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
- SEAT,VALVE
- SECO description
- SEAT, VALVE
- 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:
4820-00-873-3851 008733851 26670
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
- Body inside diameter
- 0.174 in (nominal)
- Under flange height
- 0.650 in (nominal)
- Overall height
- 0.910 in (nominal)
- Thread series designator
- First Threaded Portion Unified National Coarse (UNC)
- Thread series designator
- Second Threaded Portion NPT
- Material
- Overall Copper Alloy
- Body outside diameter
- 0.375 in (nominal)
- Thread length
- Second Threaded Portion Inches Minimum 0.230
- Thread class
- 2A
- Seal accommodation type
- Sleeve
- Nominal thread size
- First Threaded Portion Inches 0.312
- Nominal thread size
- Second Threaded Portion Inches 0.375
- Seating surface shape
- Flat
- Thread length
- First Threaded Portion Inches Nominal 0.250
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
26670
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 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 4820-00-873-3851?
NSN 4820-00-873-3851 (4820008733851) — Valve Seat: SECO Parts has 1 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for valve seat in federal supply class 4820 (Valves, Nonpowered).
Is NSN 4820-00-873-3851 available?
SECO Parts has 1 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4820-00-873-3851 cost?
The government catalog (FEDLOG) lists NSN 4820-00-873-3851 at $1,356.85 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 4820-00-873-3851?
Part numbers that cross-reference this NSN include 26670. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names SEAT,VALVE. Same name is not the same part: check the part numbers.