NSN catalog · 90,963 partsCatalog › Pipe, Tubing, Hose, and Fittings › FSC 4730 › 4730-00-463-0689
Tube Coupling Nut P/N 8-BU-S CNC
In stock — 151 on our U.S. shelfNSN 4730-00-463-0689 4730004630689 NIIN 004630689
SECO Parts has 151 in stock of NSN 4730-00-463-0689 — Tube Coupling 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
- NUT,TUBE COUPLING
- SECO description
- TUBE COUPLING NUT
- Federal supply class
- FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New | NE | 145 |
| New Surplus | NS | 6 |
| Total | 151 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
4730-00-463-0689 004630689 8-BU-S CNC MS51823-6 8 080110C
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
- 0.875 in (nominal)
- Seat angle
- 45.00 ° (nominal)
- Thread class
- 2B
- Thread direction
- Right-Hand
- Fabrication method
- Machined
- Material
- Overall Steel Comp 12L14
- Surface treatment
- Overall Cadmium or Zinc
- Length to shoulder
- 0.599–0.604 in
- Smallest inside diameter
- 0.505 in (nominal)
- Thread series
- UNF
- Nut height
- 0.840 in (nominal)
- Thread quantity per inch
- 16
- Nominal thread size
- Inches 0.750
- Nominal tube outside diameter
- Inches 0.500
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
8-BU-S CNC MS51823-6 8 080110C
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 151 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 4730-00-463-0689?
NSN 4730-00-463-0689 (4730004630689) — Tube Coupling Nut: SECO Parts has 151 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for tube coupling nut in federal supply class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings).
Is NSN 4730-00-463-0689 available?
SECO Parts has 151 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4730-00-463-0689 cost?
NSN 4730-00-463-0689 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 part numbers cross-reference to NSN 4730-00-463-0689?
Part numbers that cross-reference this NSN include 8-BU-S CNC, MS51823-6, 8 080110C. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names NUT,TUBE COUPLING. Same name is not the same part: check the part numbers.
More in FSC 4730
4730-00-463-1588 Tube Fitting Insert
4730-00-463-6013 Straight Tube to Hose Adapter
4730-00-465-2855 Tube Elbow
4730-00-465-6295 Tube Fitting Locknut
4730-00-466-7491 Sediment Strainer
4730-00-468-6468
All of FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings →