Home · FSC 4730 Hose, Pipe, Tube, Lubrication, And Railing Fittings · NSN 4730-00-451-2716
NSN 4730-00-451-2716 — Nut,Tube Coupling
NIIN 00-451-2716 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS
NSN 4730-00-451-2716 is the national stock number for a nut,tube coupling in federal supply class 4730 (Hose, Pipe, Tube, Lubrication, And Railing Fittings). It cross-references to 4 manufacturer part numbers from 4 CAGE codes, including Sae International, Society Of Automotive Engineers Inc, Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M; the primary is AS18280. The unit of issue is EA and the FLIS list price is $26.19.
The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 28, 2026 for $50 from Aek Technology, LLC. No seller has confirmed stock of it here in the last 30 days; watching the number is free and the first listing triggers an alert.
4
part numbers from 4 CAGEs
0
open solicitations, all agencies
1
government buy in 24 months
0
sellers with confirmed stock
Cross-references
Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.
| Part number | CAGE | Manufacturer | Reference | Variation |
|---|---|---|---|---|
| MS21921-3W | 0U583 | Sae International | 3 · Design control (vendor) | 2 · Fully interchangeable |
| SAE-AS18280 | 0U583 | Sae International | 3 · Design control (vendor) | 1 · Not fully interchangeable |
| AS18280 | 0U583 | Sae International | 5 · Secondary reference | 9 · Reference only |
| AS18280 | 81343 | Society Of Automotive Engineers Inc | 5 · Secondary reference | 9 · Reference only |
| AS21921 | 81343 | Society Of Automotive Engineers Inc | 5 · Secondary reference | 9 · Reference only |
| AS21921 | 0U583 | Sae International | 5 · Secondary reference | 9 · Reference only |
| MS21921-3W | 81343 | Society Of Automotive Engineers Inc | 5 · Secondary reference | 9 · Reference only |
| MS21921-3W | 96906 | Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M | 5 · Secondary reference | 9 · Reference only |
| MS21921-3W | 00624 | Eaton Aeroquip LLC | 5 · Secondary reference | 9 · Reference only |
Government demand
Nothing open right now. Last government buy Sep 28, 2026. Watch this NSN and we will email you when it is solicited.
What the government paid
| Date | Vendor | Qty | Unit cost | Amount | Buyer | Reference |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | Aek Technology, LLC 00QZ2 | $50 | Dla | SPE7M326P1719 » Award/Basic Package View |
Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 1 buy on record in total.
Sellers with confirmed stock
No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on AS18280.
Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.
DLA management data
- FLIS unit price
- $26.19
- Unit of issue
- EA
- Acquisition advice
- J — Not stocked, central procurement
- Source of supply
- SMS
- Effective
- Oct 1, 2026
Item characteristics
- Thread Class
- 3B
- Thread Direction
- RIGHT-HAND
- Nut Height
- INCHES NOMINAL 0.578
- Width Across Flats
- INCHES NOMINAL 0.438
- Length To Shoulder
- INCHES NOMINAL 0.429
- Smallest Inside Diameter
- INCHES NOMINAL 0.232
- Thread Series
- UNIFIED NATIONAL JOINT FINE (UNJF)
- Thread Quantity Per Inch
- 24
- Nominal Thread Size
- INCHES 0.375
- Nominal Tube Outside Diameter
- INCHES 0.188
- Seat Angle
- DEGREES NOMINAL 45.00
- Material
- OVERALL ALUMINUM ALLOY 7075
- Material Document And Classification
- OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-367,T73
- Surface Treatment
- OVERALL ANODIZE
- Specification/Standard Data
- GOVERNMENT STANDARD 96906--S21921
Related stock numbers
Other NSNs filed under the same part numbers.
- 00-004-6542 · Elbow,Tube
- 00-009-8259 · Union,Tube
- 00-012-2310 · Nipple,Boss
- 00-027-5762 · Tee,Tube To Boss
- 00-033-4981 · Adapter,Straight,Tube To Boss
- 00-034-1411 · Nut,Tube Coupling
- 00-035-6733 · Connector,Multiple,Fluid Pressur
- 00-050-6850 · Tee,Tube To Boss
About this page
An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.
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