Acquisition method (AMC)
3
FSC 4820 × VALVE,BUTTERFLY
VALVE,BUTTERFLY
4820-01-652-3977 FSC 4820
NSN 4820-01-652-3977 (also written 4820016523977; NIIN 01-652-3977) is a valve, butterfly in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.
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)
Q
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC Q: the government lacks adequate data or rights, but breakout to competition is expected. 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 | 4 |
| VALVE OPERATION METHOD AQLR | MANUAL |
| MOUNTING FACILITY AZGM | LUG(S) |
| VALVE SIZE CCFG | INCHES 5.00 |
| FACE TO FACE DISTANCE CWCF | INCHES 2.24 |
| BOLT CIRCLE NOMINAL DIAMETER CWCT | ALL ENDS INCHES 8.50 |
| RAISED FACE NOMINAL DIAMETER CWDL | ALL ENDS INCHES 7.32 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | HIGH PERFORMANCE BUTTERFLY VALVE |
| SPECIAL FEATURES FEAT | PRESSURE: ANSI 150; STEM TYPE: ROUND AND KEY; |
| MATERIAL MATT | BODY ALUMINUM AND BRONZE |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | STEM ASSN STD SINGLE MATERIAL RESPONSE AST- B865 N05500 |
| STYLE DESIGNATOR STYL | — |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT SPECIFICATION 81349 TO -IL-V-24624 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | FLOW CONTROL DEVICE ASSN STD SINGLE MATERIAL RESPONSE AST- A494 -35-1 |
| MATERIAL MATT | STEM NICKEL ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY ASSN STD SINGLE MATERIAL RESPONSE AST- B148 C95800 |
| MATERIAL MATT | SEAT PLASTIC POLYTETRAFLUOROETHYLENE AND NICKEL ALLOY |
| MATERIAL MATT | PACKING GRAPHITE |
| MATERIAL MATT | FLOW CONTROL DEVICE NICKEL ALLOY |
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 |
|---|---|---|
| 77-050N-5917R30 | 6SPR5 | FLOWLINE VALVE AND CONTROLS, L.L.C. |
| FL 77N-0150-1AB-R1 REV D | 6SPR5 | FLOWLINE VALVE AND CONTROLS, L.L.C. |
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
$15,098.00
Purchases
1
Total spend
$30,196
Sep 3, 2026
Last purchased
2 · 2.0/yr
Purchase records
$60,392
Total demand
$15,098.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 3, 2026 | 2 | $15,098.00 | $30,196 | DELA TECHNOLOGY CORPORATION DBA DELA TECHNOLOGY CORP (2U435) | Unknown | Source ↗ |
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Sep 3, 2026 | SPE7MC26V4058 ↗ | DELA TECHNOLOGY CORPORATION DBA DELA TECHNOLOGY CORP | — | $30,196 |
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.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
DELA TECHNOLOGY CORPORATION DBA DELA TECHNOLOGY CORP
last award Sep 2026
FLOWLINE VALVE AND CONTROLS, L.L.C.
no award yet
no awards on record
Listed source DELA TECHNOLOGY CORPORATION DBA DELA TECHNOLOGY CORP won the only award on record. DELA TECHNOLOGY CORPORATION DBA DELA TECHNOLOGY CORP won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-26-T-178F | Aug 7, 2026 | Aug 17, 2026 | 2 | 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.
- Data last refreshed: 2026-10-25.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,BUTTERFLY." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-652-3977/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-652-3977/