Acquisition method (AMC)
1
FSC 4730 × EXPANSION JOINT,PIPE
EXPANSION JOINT,PIPE
4730-01-454-0089 FSC 4730
NSN 4730-01-454-0089 (also written 4730014540089; NIIN 01-454-0089) is an expansion joint, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 8 manufacturer part numbers from 7 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-0374 | 23 | Closes in 4d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
B
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC B: must be bought from the sources named on a source control or selected item drawing. 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 |
|---|---|
| NOMINAL PIPE SIZE DESIGNATION AAGN | INCHES 4.000 |
| OVERALL LENGTH ABHP | INCHES NOMINAL 5.380 |
| BOLT CIRCLE DIAMETER ABKG | INCHES NOMINAL 7.500 |
| BOLT HOLE QUANTITY AECS | 4 |
| END ITEM IDENTIFICATION AGAV | ARLEIGH BURKE CLASS DDG |
| FLANGE OUTSIDE DIAMETER AHTC | INCHES NOMINAL 9.000 |
| DESIGN TYPE APGF | SPOOL |
| JOINT TYPE AQNE | DOUBLE |
| END CONNECTION TYPE AWZY | FLANGED |
| MATERIAL MATT | FLANGE STEEL |
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 |
|---|---|---|
| 3258421 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
| 3258421-5 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
| 3258421-5 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 800-USA-4M | 4BNK0 | UNAFLEX, INC. |
| 800-USA-4M | 56033 | UNAFLEX INC. |
| 800-USA-4M | 6VLZ1 | KADANT UNAFLEX LLC |
| MSOD0400 | 54819 | METRAFLEX COMPANY THE |
| MSODTC0400 | 54819 | METRAFLEX COMPANY THE |
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
—
Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
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.
No related contract actions on record.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-27-T-0374 | Oct 13, 2026 | Oct 23, 2026 | 23 | Open | 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 13, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "EXPANSION JOINT,PIPE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-454-0089/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-454-0089/