Acquisition method (AMC)
1
FSC 4730 × FLANGE,PIPE
FLANGE,PIPE
4730-00-252-3507 FSC 4730
NSN 4730-00-252-3507 (also written 4730002523507; NIIN 00-252-3507) is a flange, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 6 manufacturer part numbers from 4 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-0270 | 5 | Closes in 4d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 |
|---|---|
| NECK HEIGHT AJEG | INCHES NOMINAL 1.000 |
| BOLT HOLE DIAMETER AHNX | INCHES MINIMUM 0.594 AND INCHES MAXIMUM 0.625 |
| BOLT HOLE QUANTITY AECS | 4 |
| NOMINAL PIPE SIZE FOR WHICH DESIGNED ACSU | INCHES 1.500 |
| OPERATING PRESSURE AND TYPE PRTY | LOCATION NOT OTHERWISE SPECIFIED POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED 225.0 AND POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED 225.0 AND POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED 150.0 AND POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED 225.0 |
| STYLE DESIGNATOR STYL | — |
| FLANGE SECTION STYLE AJEM | — |
| SOCKET DIAMETER ABXP | INCHES NOMINAL 1.900 |
| FACE SEATING SURFACE CONDITION AKWE | MACHINED |
| MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED CRWH | FAHRENHEIT GAS 150.0 AND FAHRENHEIT OIL 150.0 AND FAHRENHEIT STEAM 450.0 AND FAHRENHEIT WATER 150.0 |
| BOLT CIRCLE DIAMETER ABKG | INCHES NOMINAL 3.875 |
| FLANGE DIAMETER ABKK | INCHES MINIMUM 5.000 AND INCHES MAXIMUM 5.031 |
| THICKNESS ABNM | INCHES NOMINAL 0.438 |
| MATERIAL MATT | COPPER ALLOY |
| BORE DIAMETER ABXV | INCHES NOMINAL 1.750 |
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 |
|---|---|---|
| 00699067579316 | 72423 | FLAGG STANLEY G & CO INC DBA FLAGG BRASS |
| 3674-1 1-2INCH | 63686 | THE WALWORTH COMPANY |
| 5170-300 | 72423 | FLAGG STANLEY G & CO INC DBA FLAGG BRASS |
| 53-348-1 1-2IN | 84829 | PHELPS DODGE INDUSTRIES INC PHELPS DODGE BRASS CO DIV LEE VROUGHT AND CAST FITTINGS MILL |
| 810-1385892-1 1/2 PR | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 810-1385892-1 1/2 PRGR3 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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 | |
|---|---|---|---|---|---|
| SPE7M3-27-T-0270 | Oct 13, 2026 | Oct 23, 2026 | 5 | 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. "FLANGE,PIPE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-252-3507/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-252-3507/