Acquisition method (AMC)
1
FSC 4730 × FLANGE,PIPE
FLANGE,PIPE
4730-00-640-6835 FSC 4730
NSN 4730-00-640-6835 (also written 4730006406835; NIIN 00-640-6835) is a flange, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 7 manufacturer part numbers from 6 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-0134 | 55 | Closes today | 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 |
|---|---|
| BOLT CIRCLE DIAMETER ABKG | INCHES NOMINAL 3.938 |
| SUPPLEMENTARY FEATURES SUPP | BRAZING RING IS NOT TO BE INSERTED IN GROOVE BUT PACKAGE SEPARATELY AND EITHER INCLUDED WITHIN THE PARENT COMPONENT PACKAGE OR PHYSICALLY ATTACHED TO PARENT COMPONENT. |
| NONDEFINITIVE SPEC/STD DATA ZZZT | TYPE R |
| STYLE DESIGNATOR STYL | — |
| FLANGE DIAMETER ABKK | INCHES NOMINAL 5.062 |
| BOLT HOLE QUANTITY AECS | 6 |
| BOLT HOLE DIAMETER AHNX | INCHES NOMINAL 0.562 |
| FACE SEATING SURFACE CONDITION AKWE | MACHINED |
| 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 |
| MATERIAL MATT | COPPER |
| 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 |
| NECK HEIGHT AJEG | INCHES NOMINAL 0.938 |
| FLANGE SECTION STYLE AJEM | — |
| SOCKET DIAMETER ABXP | INCHES NOMINAL 1.900 |
| TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED ACSV | INCHES NOMINAL 1.900 |
| THICKNESS ABNM | INCHES NOMINAL 0.438 |
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 |
|---|---|---|
| B176 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| CS4730-0108 | 16236 | DLA WEAPONS SUPPORT (COLUMBUS) DBA DLA VENDOR ITEM DRAWING (VID) DIV DOCUMENT STANDARDIZATION DIVISION (VA) |
| CS4730-0108A029DJ | 16236 | DLA WEAPONS SUPPORT (COLUMBUS) DBA DLA VENDOR ITEM DRAWING (VID) DIV DOCUMENT STANDARDIZATION DIVISION (VA) |
| CS4730-0108A029DJ | 71905 | DERBYSHIRE MACHINE & TOOL CO |
| CS4730-0108A029DJ | 72423 | FLAGG STANLEY G & CO INC DBA FLAGG BRASS |
| CS4730-0108A029DJ | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC |
| MILF20042 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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
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Total demand
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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-0134 | Oct 8, 2026 | Oct 19, 2026 | 55 | 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 10, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "FLANGE,PIPE." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-640-6835/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-640-6835/