Acquisition method (AMC)
1
FSC 4820 × VALVE,EXPANSION
VALVE,EXPANSION
4820-00-189-4840 FSC 4820
NSN 4820-00-189-4840 (also written 4820001894840; NIIN 00-189-4840) is a valve, expansion in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 3 suppliers 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 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 |
|---|---|
| SECOND END STYLE DESIGNATOR ACLT | — |
| FLOW CONTROL DEVICE ADQU | DIAPHRAGM |
| TEST DATA DOCUMENT TEST | DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) 97403-13216E6174 |
| BODY STYLE AAQL | — |
| FURNISHED ITEMS ABFF | VALVE PRESSURE LIMITING DEVICE |
| TEMP RATING ABJH | FAHRENHEIT 50.0 AND FAHRENHEIT 160.0 |
| FIRST END CONNECTION TYPE ACKM | UNTHREADED INTERNAL TUBE |
| FIRST END STYLE DESIGNATOR ACKN | — |
| FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED ACLH | INCHES NOMINAL 0.500 |
| SECOND END RELATIONSHIP WITH FIRST END ACLR | NOT IDENTICAL |
| END CONNECTION QUANTITY ADQZ | 2 |
| MATERIAL MATT | FLOW CONTROL DEVICE STEEL CORROSION RESISTING |
| CAPILLARY TUBE LENGTH AEVT | INCHES NOMINAL 30.000 |
| BULB LENGTH AEVU | INCHES NOMINAL 3.500 |
| BULB DIAMETER AEVV | INCHES NOMINAL 0.500 |
| VALVE PRESSURE LIMITING DEVICE SETTING AFKN | POUNDS PER SQUARE INCH GAUGE (PSIG) 400.0 |
| MEDIA FOR WHICH DESIGNED MEDA | LOCATION NOT OTHERWISE SPECIFIED REFRIGERANT 22 |
| VALVE EQUALIZER CONNECTION DIAMETER AFKW | INCHES NOMINAL 0.250 |
| MATERIAL MATT | BODY COPPER ALLOY |
| SECOND END OUTSIDE DIAMETER TUBE ACCOMMODATED ACMP | INCHES NOMINAL 0.380 |
| REFRIGERATION CAPACITY IN BTU PER HOUR AGUB | 9.0 |
| VALVE EQUALIZER CONNECTION TYPE AFKV | FLARED TUBE |
| SECOND END CONNECTION TYPE ACLS | UNTHREADED INTERNAL TUBE |
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 |
|---|---|---|
| 13216E6174 | 97403 | CECOM LR CENTER |
| 13216E6174-2 | 97403 | CECOM LR CENTER |
| 13216E6174-5 | 94833 | KECO INDUSTRIES, INC. |
| 13216E6174-5 | 97403 | CECOM LR CENTER |
| AN 3/4 CWGT-3198 | 70255 | EMERSON ELECTRIC CO ALCO CONTROLS DIV |
| HN3-4CW16A | 70255 | EMERSON ELECTRIC CO ALCO CONTROLS DIV |
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
—
Sep 8, 2026
Last purchased
1 · 1.0/yr
Purchase records
$2,991
Total demand
$2,991
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Sep 8, 2026 | SPE7MC26P2346 ↗ | SPAIRES INC | — | $2,991 |
Demand history
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
SPAIRES INC
last award Sep 2026
CECOM LR CENTER
no award yet
no awards on record
Listed source EMERSON ELECTRIC CO ALCO CONTROLS DIV
no award yet
no awards on record
Listed source KECO INDUSTRIES, INC.
no award yet
no awards on record
Listed source SPAIRES INC won the only award on record. SPAIRES INC won without being a listed source.
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 27, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-24.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,EXPANSION." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-189-4840/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-189-4840/