Acquisition method (AMC)
1
FSC 4730 × FLANGE,PIPE
FLANGE,PIPE
4730-00-640-6856 FSC 4730
NSN 4730-00-640-6856 (also written 4730006406856; NIIN 00-640-6856) is a flange, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 10 manufacturer part numbers from 6 suppliers 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 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 |
|---|---|
| BOLT HOLE QUANTITY AECS | 3 |
| BOLT HOLE DIAMETER AHNX | INCHES NOMINAL 0.562 |
| NOMINAL PIPE SIZE FOR WHICH DESIGNED ACSU | INCHES 0.500 |
| SOCKET DIAMETER ABXP | INCHES NOMINAL 0.840 |
| BORE DIAMETER ABXV | INCHES NOMINAL 0.675 |
| BOLT CIRCLE DIAMETER ABKG | INCHES NOMINAL 2.438 |
| FLANGE DIAMETER ABKK | INCHES NOMINAL 3.562 |
| THICKNESS ABNM | INCHES NOMINAL 0.375 |
| STYLE DESIGNATOR STYL | — |
| SUPPLEMENTARY FEATURES SUPP | BRAZING RING IS NOT TO BE INSERTED IN GROOVE, BUT PACKAGE SEPARATELY AND EITHER INCLUDED WITHIN THE PARENT COMPONENT |
| NONDEFINITIVE SPEC/STD DATA ZZZT | TYPE R |
| MATERIAL MATT | COPPER ALLOY |
| OPERATING PRESSURE AND TYPE PRTY | LOCATION NOT OTHERWISE SPECIFIED POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED 150.0 AND POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED 150.0 AND POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED 150.0 AND POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED 150.0 |
| MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED CRWH | FAHRENHEIT GAS 425.0 AND FAHRENHEIT OIL 425.0 AND FAHRENHEIT STEAM 425.0 AND FAHRENHEIT WATER 425.0 |
| FLANGE SECTION STYLE AJEM | — |
| FACE SEATING SURFACE CONDITION AKWE | MACHINED |
| NECK HEIGHT AJEG | INCHES NOMINAL 0.625 |
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 |
|---|---|---|
| 516-4676712 ITE | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 704-4685582 ITE | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| B176-1-2 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CS4730-0108A025DJ | 16236 | DLA WEAPONS SUPPORT (COLUMBUS) DBA DLA VENDOR ITEM DRAWING (VID) DIV DOCUMENT STANDARDIZATION DIVISION (VA) |
| MIL-PRF-20042 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MILF20042 | 03958 | MINDECO CORP |
| MILF20042 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MILF20042 | 84849 | SAMUEL LEVINE PLUMBING AND HEATING SUPPLIES, INC. DIV SLPHS INC |
| MILF20042TYPRCL | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MILF20042TYPRCL | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
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 | |
|---|---|---|---|---|---|
| SPE7M3-27-T-0584 | Oct 23, 2026 | Nov 5, 2026 | 298 | 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 23, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "FLANGE,PIPE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-640-6856/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-640-6856/