NSN catalog · 90,963 partsCatalog › Pipe, Tubing, Hose, and Fittings › FSC 4730 › 4730-00-278-5551
Tube Coupling Inverted Nut P/N 6100X3
In stock — 5 on our U.S. shelfNSN 4730-00-278-5551 4730002785551 NIIN 002785551
SECO Parts has 5 in stock of NSN 4730-00-278-5551 — Tube Coupling Inverted Nut — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Low-cost part: quoted by the line, $50 minimum per line; quantity pricing on request.
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
- INVERTED NUT,TUBE COUPLING
- SECO description
- INVERTED NUT, TUBE COUPLING
- Federal supply class
- FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
- Used on
- Grumman Aircraft,Model A10
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 5 |
| Total | 5 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
4730-00-278-5551 002785551 6100X3 181D03 181D3-16 81TS3
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
- Width across flats
- 0.375 in (nominal)
- Overall length
- 0.531 in (nominal)
- Thread size
- 3/8-24
- Casehardening indicator
- Not Case-Hardened
- Thread class
- 2A
- Thread direction
- Right-Hand
- Smallest inside diameter
- 0.191 in (nominal)
- Material
- Copper Alloy
- Seat radius
- 0.219 in (nominal)
- Screw thread series designator
- UNF
- Tube outside diameter for which designed
- 0.188 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
6100X3 181D03 181D3-16 81TS3
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 | D DLA/GSA stocked — stocked by DLA or GSA and issued from central stock |
| 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 4730-00-278-5551?
NSN 4730-00-278-5551 (4730002785551) — Tube Coupling Inverted Nut: SECO Parts has 5 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for tube coupling inverted nut in federal supply class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings).
Is NSN 4730-00-278-5551 available?
SECO Parts has 5 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4730-00-278-5551 cost?
NSN 4730-00-278-5551 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.
What does NSN 4730-00-278-5551 fit?
The federal catalog lists NSN 4730-00-278-5551 as used on: Grumman Aircraft,Model A10.
What part numbers cross-reference to NSN 4730-00-278-5551?
Part numbers that cross-reference this NSN include 6100X3, 181D03, 181D3-16, 81TS3. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names INVERTED NUT,TUBE COUPLING. Same name is not the same part: check the part numbers.
More in FSC 4730
4730-00-278-5592 Multiple Fluid Pressur Connector
4730-00-278-5812 Multiple Fluid Pressur Connector
4730-00-278-5821 Multiple Fluid Pressur Connector
4730-00-278-5824 Pipe Coupling
4730-00-278-6318 Pipe Coupling
4730-00-278-6319
All of FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings →