AMSC / AMC
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FSC 4730 × EXPANSION JOINT,PIPE
EXPANSION JOINT,PIPE
4730-01-274-0807
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7M3-26-T-8750 | 14 | Closes today | Bid → |
Can you win it?
Restricted — approved sources only, based on the latest AMSC/AMC on record.
Competition
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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 5.125 |
| BOLT CIRCLE DIAMETER ABKG | INCHES NOMINAL 6.000 |
| BOLT HOLE QUANTITY AECS | 4 |
| FLANGE OUTSIDE DIAMETER AHTC | INCHES NOMINAL 7.500 |
| SCREW THREAD SERIES DESIGNATOR AJYP | UNIFIED NATIONAL COARSE (UNC) |
| END CONNECTION TYPE AWZY | FLANGED |
| WORKING PRESSURE RATING CFQK | POUNDS PER SQUARE INCH (PSI) NOMINAL 225.0 |
| CRITICALITY CODE JUSTIFICATION CRTL | FEAT |
| SPECIAL FEATURES FEAT | WEAPON SYSTEM ESSENTIAL |
| MATERIAL MATT | FLANGE STEEL |
| SURFACE TREATMENT SFTT | FLANGE CADMIUM |
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 |
|---|---|---|
| 3258421-1 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
| 3258421-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 800-USA-1 | 4BNK0 | UNAFLEX, INC. |
| 800-USA-1 | 56033 | UNAFLEX INC. |
| METRASPHERE 3IN-OUN | 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
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Purchases
0
Total spend
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Last purchased
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Purchase records
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Total demand
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Latest award total
Price history
What the government paid per unit
Fewer than two priced purchases on record — see the table below.
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-8750 | Sep 1, 2026 | Sep 11, 2026 | 14 | 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.
- Contract action totals: USAspending, context only.
- Full methodology →