Acquisition method (AMC)
1
FSC 4730 × COUPLING ASSEMBLY,TUBE,FLEXIBLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
4730-00-279-2687 FSC 4730
NSN 4730-00-279-2687 (also written 4730002792687; NIIN 00-279-2687) is a coupling assembly, tube, flexible in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7M3-27-T-0271 | 149 | Closes in 4d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
R
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| OVERALL LENGTH ABHP | INCHES MINIMUM 1.219 AND INCHES MAXIMUM 1.240 |
| STYLE DESIGNATOR STYL | — |
| TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED ACSV | INCHES NOMINAL 0.750 |
| OUTSIDE DIAMETER ABKV | INCHES NOMINAL 1.422 |
| MATERIAL MATT | ALUMINUM ALLOY 2024 |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 12J71-12A | 24984 | HYDRAFLOW |
| ST7M174-12D | 76301 | THE BOEING COMPANY DIV DEFENSE |
| W701-12D | 79326 | TRANSDIGM INC DIV ADELWIGGINS GROUP |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
$100.32
Purchases
1
Total spend
$9,029
Sep 23, 2026
Last purchased
2 · 2.0/yr
Purchase records
$18,058
Total demand
$100.32
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | 90 | $100.32 | $9,029 | ECHELON SUPPLY AND SERVICE, INC. (61125) | Unknown | Source ↗ |
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Sep 23, 2026 | SPE7M326V4721 ↗ | ECHELON SUPPLY AND SERVICE, INC. | — | $9,029 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
ECHELON SUPPLY AND SERVICE, INC.
last award Sep 2026
HYDRAFLOW
no award yet
no awards on record
Listed source THE BOEING COMPANY DIV DEFENSE
no award yet
no awards on record
Listed source TRANSDIGM INC DIV ADELWIGGINS GROUP
no award yet
no awards on record
Listed source ECHELON SUPPLY AND SERVICE, INC. won the only award on record. ECHELON SUPPLY AND SERVICE, INC. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-27-T-0271 | Oct 13, 2026 | Oct 23, 2026 | 149 | Open | View at DIBBS → |
| SPE7M3-26-T-8931 | Sep 11, 2026 | Sep 21, 2026 | 90 | Expired | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COUPLING ASSEMBLY,TUBE,FLEXIBLE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-279-2687/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-279-2687/