Acquisition method (AMC)
3
FSC 4730 × EXPANSION JOINT,PIPE
EXPANSION JOINT,PIPE
4730-01-433-2642 FSC 4730
NSN 4730-01-433-2642 (also written 4730014332642; NIIN 01-433-2642) is an expansion joint, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 12.000 |
| OVERALL LENGTH ABHP | INCHES NOMINAL 13.375 |
| BOLT CIRCLE DIAMETER ABKG | INCHES NOMINAL 16.062 |
| BOLT HOLE QUANTITY AECS | 18 |
| END ITEM IDENTIFICATION AGAV | NIMITZ CLASS CVN. |
| BOLT HOLE DIAMETER AHNX | INCHES NOMINAL 0.812 |
| DESIGN TYPE APGF | SPOOL |
| JOINT TYPE AQNE | DOUBLE |
| END CONNECTION TYPE AWZY | FLANGED |
| WORKING PRESSURE RATING CFQK | POUNDS PER SQUARE INCH (PSI) NOMINAL 135.0 |
| TRAVERSE MAXIMUM LENGTH CHLT | INCHES 13.188 |
| MATERIAL MATT | FLANGE NICKEL ALLOY |
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 |
|---|---|---|
| 186207 | 70510 | HYSPAN PRECISION PRODUCTS, INC. |
| 86207 | 70510 | HYSPAN PRECISION PRODUCTS, 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
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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 | |
|---|---|---|---|---|---|
| SPE7M3-26-T-9343 | Sep 25, 2026 | Oct 5, 2026 | 1 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "EXPANSION JOINT,PIPE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-01-433-2642/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-01-433-2642/