Acquisition method (AMC)
3
FSC 4820 × VALVE,REGULATING,FLUID PRESSURE
VALVE,REGULATING,FLUID PRESSURE
4820-01-185-4366 FSC 4820
NSN 4820-01-185-4366 (also written 4820011854366; NIIN 01-185-4366) is a valve, regulating, fluid pressure in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 1 supplier 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)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 |
|---|---|
| FIRST END FLANGE OUTSIDE DIAMETER AAHF | INCHES NOMINAL 5.000 |
| BODY STYLE AAQL | — |
| FIRST END CONNECTION TYPE ACKM | PLAIN FACE FLANGE |
| FIRST END STYLE DESIGNATOR ACKN | — |
| FIRST END FLANGE SHAPE STYLE ACKT | — |
| FIRST END FLANGE THICKNESS ACKU | INCHES NOMINAL 0.812 |
| FIRST END BOLT HOLE QUANTITY ACKZ | 6 |
| FIRST END BOLT HOLE DIAMETER ACLA | INCHES NOMINAL 0.562 |
| FIRST END BOLT CIRCLE DIAMETER ACLB | INCHES NOMINAL 3.938 |
| SECOND END RELATIONSHIP WITH FIRST END ACLR | IDENTICAL |
| FACE TO FACE DISTANCE ADQL | INCHES NOMINAL 6.625 |
| FLOW CONTROL DEVICE ADQU | DISK |
| END CONNECTION QUANTITY ADQZ | 2 |
| REGULATION TYPE AEVN | AUTOMATIC SINGLE STAGE |
| VALVE LOADING METHOD AEVR | SPRING |
| REMOTE ACTUATION METHOD AEVS | DIAPHRAGM |
| MATERIAL MATT | BODY COPPER ALLOY |
| MATERIAL MATT | FLOW CONTROL DEVICE NICKEL ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | FLOW CONTROL DEVICE FED SPEC SINGLE MATERIAL RESPONSE QQ-N-281 QQ-N-281 |
| MEDIA FOR WHICH DESIGNED MEDA | LOCATION NOT OTHERWISE SPECIFIED WATER |
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 |
|---|---|---|
| 00875040 | 11939 | KIDDE FIRE FIGHTING, INC. DIV NATIONAL FOAM |
| 3233-9177-0 | 11939 | KIDDE FIRE FIGHTING, INC. DIV NATIONAL FOAM |
| BUL.79875020 | 11939 | KIDDE FIRE FIGHTING, INC. DIV NATIONAL FOAM |
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
$11,902.00
Purchases
1
Total spend
$190,432
Oct 19, 2026
Last purchased
2 · 2.0/yr
Purchase records
$380,864
Total demand
$11,902.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 19, 2026 | 16 | $11,902.00 | $190,432 | KEYSTONE FIRE PROTECTION CO DBA KEYSTONE FIRE PROTECTION CO (1U693) | 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 19, 2026 | SPE4A627P1393 ↗ | KEYSTONE FIRE PROTECTION CO DBA KEYSTONE FIRE PROTECTION CO | — | $190,432 |
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
KEYSTONE FIRE PROTECTION CO DBA KEYSTONE FIRE PROTECTION CO
last award Oct 2026
KIDDE FIRE FIGHTING, INC. DIV NATIONAL FOAM
no award yet
no awards on record
Listed source KEYSTONE FIRE PROTECTION CO DBA KEYSTONE FIRE PROTECTION CO won the only award on record. KEYSTONE FIRE PROTECTION CO DBA KEYSTONE FIRE PROTECTION CO won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A5-26-T-342L | Aug 12, 2026 | Aug 24, 2026 | 16 | 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: 2026-10-20.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,REGULATING,FLUID PRESSURE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-185-4366/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-185-4366/