Acquisition method (AMC)
1
FSC 4730 × FLANGE,PIPE
FLANGE,PIPE
4730-00-555-2566 FSC 4730
NSN 4730-00-555-2566 (also written 4730005552566; NIIN 00-555-2566) is a flange, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 1 manufacturer part number from 1 supplier is 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 | |
|---|---|---|---|
| SPE7M1-27-T-1820 | 22 | Closes in 2d | 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 |
|---|---|
| THICKNESS ABNM | INCHES NOMINAL 0.844 |
| FACE SEATING SURFACE CONDITION AKWE | MACHINED |
| MATERIAL MATT | COPPER ALLOY |
| STYLE DESIGNATOR STYL | — |
| FLANGE DIAMETER ABKK | INCHES NOMINAL 4.625 |
| NECK HEIGHT AJEG | INCHES NOMINAL 0.781 |
| SOCKET DEPTH ABXN | INCHES NOMINAL 0.531 |
| BOLT HOLE DIAMETER AHNX | INCHES NOMINAL 0.562 |
| BOLT HOLE QUANTITY AECS | 4 |
| FLANGE SECTION STYLE AJEM | — |
| TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED ACSV | INCHES NOMINAL 1.250 |
| BOLT CIRCLE DIAMETER ABKG | INCHES NOMINAL 3.500 |
| SOCKET DIAMETER ABXP | INCHES MINIMUM 1.660 AND INCHES MAXIMUM 1.663 |
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 |
|---|---|---|
| 316163-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST |
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 | |
|---|---|---|---|---|---|
| SPE7M1-27-T-1820 | Oct 30, 2026 | Nov 9, 2026 | 22 | 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 Nov 1, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "FLANGE,PIPE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-555-2566/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-555-2566/