NSN catalog · 90,963 partsCatalog › Instruments and Laboratory Equipment › FSC 6685 › 6685-00-851-6818
Fluid Pressure Dampener P/N 25SE
In stock — 4 on our U.S. shelfNSN 6685-00-851-6818 6685008516818 NIIN 008516818
SECO Parts has 4 in stock of NSN 6685-00-851-6818 — Fluid Pressure Dampener — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $50–$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
- DAMPENER,FLUID PRESSURE
- SECO description
- DAMPENER, FLUID PRES
- Federal supply class
- FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 4 |
| Total | 4 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
6685-00-851-6818 008516818 25SE 1112SE-1/4 1112S1-4E 1112SE 142C688H05 414990-1 749758
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
- Nominal pipe size designation
- Inches 0.250
- Overall length
- 1.469 in (nominal)
- Fluid type for which designed
- Oil and Water
- Gage end connection type
- Female
- Features provided
- Threaded Direct Pressure Connection
- Special features
- Porous Disk for Water and Light Oils,30 to 225 Ssu
- Material
- Steel Corrosion Resisting
- Thread location
- Internal and External
- Connection quantity
- 2
- Operating pressure range
- Pounds Per Square Inch 0.0 to 15000.0
- Thread size
- 1/4-18
- Screw thread series designator
- NPT
- Overall width
- 0.750 in (nominal)
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
25SE 1112SE-1/4 1112S1-4E 1112SE 142C688H05 414990-1 749758
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 4 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 | P No HMIS record; MSDS may apply by end use |
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 6685-00-851-6818?
NSN 6685-00-851-6818 (6685008516818) — Fluid Pressure Dampener: SECO Parts has 4 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for fluid pressure dampener in federal supply class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments).
Is NSN 6685-00-851-6818 available?
SECO Parts has 4 in stock in Augusta, GA — order or request a quote below.
How much does NSN 6685-00-851-6818 cost?
SECO typically prices parts like NSN 6685-00-851-6818 at $50–$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 part numbers cross-reference to NSN 6685-00-851-6818?
Part numbers that cross-reference this NSN include 25SE, 1112SE-1/4, 1112S1-4E, 1112SE, 142C688H05, 414990-1, 749758. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names DAMPENER,FLUID PRESSURE. Same name is not the same part: check the part numbers.
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