Acquisition method (AMC)
3
FSC 4820 × STEM,FLUID VALVE
STEM,FLUID VALVE
4820-01-511-5505 FSC 4820
NSN 4820-01-511-5505 (also written 4820015115505; NIIN 01-511-5505) is a stem, fluid valve in Federal Supply Class 4820, Valves, Nonpowered. 5 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 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)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 |
|---|---|
| END ITEM IDENTIFICATION AGAV | 1/4 OD GAUGE VALVE |
| VALVE TYPE FOR WHICH DESIGNED BTNZ | GLOBE |
| VALVE SIZE FOR WHICH DESIGNED CXBX | INCHES 0.250 |
| MATERIAL MATT | STEEL COMP 316 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | FED SPEC SINGLE MATERIAL RESPONSE QQ-S-763 COND. A QQ-S-763 |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
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 |
|---|---|---|
| M3149A-CF | 0ASY6 | DERBYSHIRE MARINE PRODUCTS, LLC DBA DERBYSHIRE MARINE PRODUCTS LLC |
| M3149A-CF | 71905 | DERBYSHIRE MACHINE & TOOL CO |
| M3463-2185A | 71905 | DERBYSHIRE MACHINE & TOOL CO |
| M3463-2185A PC 3 | 0ASY6 | DERBYSHIRE MARINE PRODUCTS, LLC DBA DERBYSHIRE MARINE PRODUCTS LLC |
| M3463-2185A PC 3 | 71905 | DERBYSHIRE MACHINE & TOOL CO |
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
$345.80
Purchases
1
Total spend
$19,365
Oct 6, 2026
Last purchased
2 · 2.0/yr
Purchase records
$38,730
Total demand
$345.80
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 6, 2026 | 56 | $345.80 | $19,365 | DERBYSHIRE MARINE PRODUCTS, LLC DBA DERBYSHIRE MARINE PRODUCTS LLC (0ASY6) | 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 |
|---|---|---|---|---|
| Oct 6, 2026 | SPE7MC27V0060 ↗ | DERBYSHIRE MARINE PRODUCTS, LLC DBA DERBYSHIRE MARINE PRODUCTS LLC | — | $19,365 |
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
DERBYSHIRE MARINE PRODUCTS, LLC DBA DERBYSHIRE MARINE PRODUCTS LLC
last award Oct 2026
DERBYSHIRE MACHINE & TOOL CO
no award yet
no awards on record
Listed source DERBYSHIRE MARINE PRODUCTS, LLC DBA DERBYSHIRE MARINE PRODUCTS LLC won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-26-T-296Q | Sep 25, 2026 | Oct 5, 2026 | 56 | 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: 2026-10-08.
- Full methodology →
Cite this page
Citation
NSN Explorer. "STEM,FLUID VALVE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-511-5505/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-511-5505/