NSN catalog · 90,963 partsCatalog › Pipe, Tubing, Hose, and Fittings › FSC 4730 › 4730-00-278-5490
Tube Coupling Inverted Nut P/N 6100X2
In stock — 11 on our U.S. shelfNSN 4730-00-278-5490 4730002785490 NIIN 002785490
SECO Parts has 11 in stock of NSN 4730-00-278-5490 — Tube Coupling Inverted Nut — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
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
- NUT, INVERTED
- Federal supply class
- FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
- Used on
- Support EQUIPMENT--C-5 Aircraft, T-38 Aircraft, B-52 Aircraft, T-37 Aircraft, OV-10A Aircraft; Aircraft, F-16; Shop Equipment, Contact Maint, Trk-Mtd, Set 3, Tam B19457; Tractor, Flightline Towing
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 11 |
| Total | 11 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
4730-00-278-5490 002785490 6100X2 2-050110 121634 181D1-8 X1086T38 106-10002 81TS-2 106-10102
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
- Smallest inside diameter
- 0.128 in (nominal)
- Thread class
- 2A
- Tube outside diameter for which designed
- 0.125 in (nominal)
- Casehardening indicator
- Not Case-Hardened
- Thread direction
- Right-Hand
- Criticality code justification
- Feat
- Seat radius
- 0.219 in (nominal)
- Special features
- Weapon System Essential
- Overall length
- 0.500 in (nominal)
- Screw thread series designator
- UNF
- Width across flats
- 0.313 in (nominal)
- Material
- Copper Alloy
- Thread size
- 5/16-24
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
6100X2 2-050110 121634 181D1-8 X1086T38 106-10002 81TS-2 106-10102
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 11 on the shelf |
| Unit of issue | PG package |
| 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 4730-00-278-5490?
NSN 4730-00-278-5490 (4730002785490) — Tube Coupling Inverted Nut: SECO Parts has 11 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 4730-00-278-5490 available?
SECO Parts has 11 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4730-00-278-5490 cost?
SECO quotes NSN 4730-00-278-5490 on request, usually the same business day.
What does NSN 4730-00-278-5490 fit?
The federal catalog lists NSN 4730-00-278-5490 as used on: Support EQUIPMENT--C-5 Aircraft, T-38 Aircraft, B-52 Aircraft, T-37 Aircraft, OV-10A Aircraft; Aircraft, F-16; Shop Equipment, Contact Maint, Trk-Mtd, Set 3, Tam B19457; Tractor, Flightline Towing.
What part numbers cross-reference to NSN 4730-00-278-5490?
Part numbers that cross-reference this NSN include 6100X2, 2-050110, 121634, 181D1-8, X1086T38, 106-10002, 81TS-2, 106-10102. 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
4730-00-278-5496 Pipe to Tube Elbow
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
All of FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings →