Acquisition method (AMC)
3
FSC 4820 × VALVE,DIAPHRAGM,STOP
VALVE,DIAPHRAGM,STOP
4820-01-451-3170 FSC 4820
NSN 4820-01-451-3170 (also written 4820014513170; NIIN 01-451-3170) is a valve, diaphragm, stop in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 1 supplier 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
R
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 | 12 |
| END ITEM IDENTIFICATION AGAV | WASP CLASS LHD |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| FLANGE SHAPE ARKN | ALL ENDS ROUND WITH HOLES |
| CONNECTION TYPE AWLS | ALL ENDS FLANGE |
| VALVE SIZE CCFG | INCHES 6.000 |
| NOMINAL OUTSIDE DIAMETER CWCD | ALL ENDS INCHES 14.000 |
| FACE TO FACE DISTANCE CWCF | INCHES 22.000 |
| NOMINAL THICKNESS CWCK | ALL ENDS INCHES 1.875 |
| BOLT HOLE NOMINAL DIAMETER CWCQ | ALL ENDS INCHES 1.120 |
| BOLT CIRCLE NOMINAL DIAMETER CWCT | ALL ENDS INCHES 11.500 |
| FLANGE FACE DESIGN CWDF | ALL ENDS RAISED STRAIGHT |
| RAISED FACE NOMINAL HEIGHT CWDH | ALL ENDS INCHES 0.250 |
| RAISED FACE NOMINAL DIAMETER CWDL | ALL ENDS INCHES 8.500 |
| MATERIAL MATT | BODY STEEL UNS J03002 |
| MATERIAL MATT | SEAT STEEL UNS J91150 |
| MATERIAL MATT | FLOW CONTROL DEVICE STEEL COMP 420 |
| MATERIAL MATT | STEM STEEL COMP 316 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | FLOW CONTROL DEVICE ASSN STD SINGLE MATERIAL RESPONSE AST- A276, TYE 420 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | STEM ASSN STD SINGLE MATERIAL RESPONSE AST- A276, TYE 316 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SEAT ASSN STD SINGLE MATERIAL RESPONSE AST- A296, GRADE CA-15, HYNES NO. 6 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY ASSN STD SINGLE MATERIAL RESPONSE AST- A216, GRADE WCB |
| STYLE DESIGNATOR STYL | — |
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 |
|---|---|---|
| CD 33395N | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC |
| DBNS-3Z 3G5G5PZA | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC |
| DBNS-3Z,3G5G5PZ | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC |
| Y103902642 | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC |
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 | |
|---|---|---|---|---|---|
| SPE7MC-26-T-231B | Aug 27, 2026 | Sep 8, 2026 | 1 | 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 10, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,DIAPHRAGM,STOP." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-451-3170/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-451-3170/