Acquisition method (AMC)
3
FSC 4730 × EXPANSION JOINT,PIPE
EXPANSION JOINT,PIPE
4730-01-522-7684 FSC 4730
NSN 4730-01-522-7684 (also written 4730015227684; NIIN 01-522-7684) is an expansion joint, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 2 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-0459 | 5 | Closes in 7d | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 3.000 |
| OVERALL LENGTH ABHP | INCHES NOMINAL 6.000 |
| BOLT CIRCLE DIAMETER ABKG | INCHES NOMINAL 5.500 |
| BOLT HOLE QUANTITY AECS | 8 |
| END ITEM IDENTIFICATION AGAV | MISC PARTS, SEA WATER SYSTEM |
| BOLT HOLE DIAMETER AHNX | INCHES NOMINAL 0.562 |
| FLANGE OUTSIDE DIAMETER AHTC | INCHES NOMINAL 6.625 |
| DESIGN TYPE APGF | CORRUGATED ELEMENT |
| JOINT TYPE AQNE | SINGLE |
| END CONNECTION TYPE AWZY | FLANGED |
| EQUALIZATION CHARACTERISTIC CHLN | SELF-EQUALIZING |
| SLEEVE QUANTITY CHLP | 1 |
| TRAVERSE MAXIMUM LENGTH CHLT | INCHES 0.190 |
| SPECIAL FEATURES FEAT | MONEL 400; GALVANIZED LINER/SLEEVE |
| MATERIAL MATT | FLANGE COPPER ALLOY |
| MATERIAL MATT | SLEEVE STEEL |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
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 |
|---|---|---|
| 1008233 | 29573 | AMERICAN BOA INC |
| 1507RLS-B1008233 | 30009 | HYSPAN PRECISION PRODUCTS, INC. DBA HYSPAN PRECISION PRODUCTS INC |
| 3IN FSP-0150-6-LRS-M6 | 29573 | AMERICAN BOA INC |
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 — 3 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.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-27-T-0459 | Oct 14, 2026 | Oct 26, 2026 | 5 | Open | View at DIBBS → |
| SPE7M3-26-T-9538 | Sep 29, 2026 | Oct 15, 2026 | 4 | Cancelled | View at DIBBS → |
| SPE7M3-26-T-9186 | Sep 17, 2026 | Sep 28, 2026 | 4 | Cancelled | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "EXPANSION JOINT,PIPE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-522-7684/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-522-7684/