NSN catalog · 90,963 partsCatalog › Pipe, Tubing, Hose, and Fittings › FSC 4730 › 4730-00-278-8824
Tube Coupling Nut P/N 61AB-4
In stock — 26 on our U.S. shelfNSN 4730-00-278-8824 4730002788824 NIIN 002788824
SECO Parts has 26 in stock of NSN 4730-00-278-8824 — 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
- NUT, TUBE COUPLING
- Federal supply class
- FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
- Used on
- TRUCK--5-TON M939 Series, M-915 Series, M-916A1, Cargo Dropside 2 1/2-TON BX6 W/e; Support Equipment, F-16 Aircraft; Trailer, Semi (M870)
- Platform
- M939 parts
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 26 |
| Total | 26 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
4730-00-278-8824 002788824 61AB-4 200455 SAE J246 4 120111B 4M5286 4-120111B SAE-J246 504308 344402 1760B 6-673-0310
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
- Criticality code justification
- Feat
- Special features
- Supports Harnischfeger Corp.;Model M320T2,Crane Truck Mounted,NSN 3810-00-151-4431; Weapon System Essential
- Width across flats
- 0.563 in (nominal)
- Specification/standard data
- Professional/industrial Association Standard 81343-J246
- Nondefinitive spec/std data
- Figure 5
- Thread series
- Uns
- Thread quantity per inch
- 24
- Nominal thread size
- Inches 0.437
- Nominal tube outside diameter
- Inches 0.250
- Nut height
- 0.750 in (nominal)
- Thread pitch diameters
- Inches 0.4104 to 0.4153
- Thread direction
- Right-Hand
- Fabrication method
- Machined
- Smallest inside diameter
- 0.254 in (nominal)
- Seat angle
- 20.00 ° (nominal)
- Material
- Overall Copper Alloy
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
61AB-4 200455 SAE J246 4 120111B 4M5286 4-120111B SAE-J246 504308 344402 1760B 6-673-0310 1361X4 N-108345-E 373032 63AX1005 W00455 J246 MS39196-1 180961
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 26 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 4730-00-278-8824?
NSN 4730-00-278-8824 (4730002788824) — Tube Coupling Nut: SECO Parts has 26 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 4730-00-278-8824 available?
SECO Parts has 26 in stock in Augusta, GA — order or request a quote below.
How much does NSN 4730-00-278-8824 cost?
NSN 4730-00-278-8824 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 4730-00-278-8824 fit?
The federal catalog lists NSN 4730-00-278-8824 as used on: TRUCK--5-TON M939 Series, M-915 Series, M-916A1, Cargo Dropside 2 1/2-TON BX6 W/e; Support Equipment, F-16 Aircraft; Trailer, Semi (M870). SECO lists it under M939 parts.
What part numbers cross-reference to NSN 4730-00-278-8824?
Part numbers that cross-reference this NSN include 61AB-4, 200455, SAE J246 4 120111B, 4M5286, 4-120111B, SAE-J246, 504308, 344402. 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.