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Catalog › Pipe, Tubing, Hose, and Fittings › FSC 4730 › 4730-01-074-6036

Tube Coupling Nut P/N MS21921-6J

In stock — 3 on our U.S. shelf

NSN 4730-01-074-6036 4730010746036 NIIN 010746036

SECO Parts has 3 in stock of NSN 4730-01-074-6036 — Tube Coupling Nut — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $25–$45 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.

FLIS item name
NUT,TUBE COUPLING
Federal supply class
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Availability & condition

ConditionCodeQty on shelf
New SurplusNS 3
Total3

Quantities are live from SECO's inventory system, not estimated.

Also known as: 4730-01-074-6036 010746036 MS21921-6J SAE-AS18280 MS21921-6C 7117X6 7105X6 AS21921 CVC4257J6 AS21921-6J AS18280 28884

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

Thread class
3B
Thread direction
Right-Hand
Nut height
0.800 in (nominal)
Width across flats
0.688 in (nominal)
Length to shoulder
0.578 in (nominal)
Smallest inside diameter
0.425 in (nominal)
Thread series
Unified National Joint Fine (Unjf)
Thread quantity per inch
18
Nominal thread size
Inches 0.562
Nominal tube outside diameter
Inches 0.375
Seat angle
45.0 ° (nominal)
Material
Overall Steel Comp 304
Surface treatment
Overall Passivate
Specification/standard data
Government Standard 81343 - AS21921

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

MS21921-6J SAE-AS18280 MS21921-6C 7117X6 7105X6 AS21921 CVC4257J6 AS21921-6J AS18280 28884

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source of supplySMS
DLA Land and Maritime, Columbus, Ohio
Acquisition advice codeZ
Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 3 on the shelf
Unit of issueEA
each
Demilitarization codeA
Demilitarization not required — non-munitions-list item
Controlled inventory codeU
Unclassified
Hazardous material indicatorN
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 4730-01-074-6036?
NSN 4730-01-074-6036 (4730010746036) — Tube Coupling Nut: SECO Parts has 3 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 4730-01-074-6036 available?
SECO Parts has 3 in stock in Augusta, GA — order or request a quote below.

How much does NSN 4730-01-074-6036 cost?
SECO typically prices parts like NSN 4730-01-074-6036 at $25–$45 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 4730-01-074-6036?
Part numbers that cross-reference this NSN include MS21921-6J, SAE-AS18280, MS21921-6C, 7117X6, 7105X6, AS21921, CVC4257J6, AS21921-6J. 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

All of FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings →

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