Acquisition method (AMC)
3
FSC 4820 × VALVE,REGULATING,TEMPERATURE
VALVE,REGULATING,TEMPERATURE
4820-01-442-4498 FSC 4820
NSN 4820-01-442-4498 (also written 4820014424498; NIIN 01-442-4498) is a valve, regulating, temperature 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)
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 |
|---|---|
| FIRST END FLANGE OUTSIDE DIAMETER AAHF | INCHES NOMINAL 5.562 |
| 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 0.438 |
| 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 4.438 |
| SECOND END RELATIONSHIP WITH FIRST END ACLR | IDENTICAL |
| FLOW CONTROL DEVICE ADQU | PISTON, BOTTOM GUIDED |
| END CONNECTION QUANTITY ADQZ | 3 |
| END ITEM IDENTIFICATION AGAV | SEAWOLF CLASS SSN |
| MATERIAL MATT | FLOW CONTROL DEVICE COPPER ALLOY |
| MATERIAL MATT | SEAT COPPER ALLOY |
| MATERIAL MATT | PACKING STEEL CORROSION RESISTING |
| MATERIAL MATT | BODY COPPER ALLOY |
| MATERIAL MATT | STEM STEEL CORROSION RESISTING |
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 |
|---|---|---|
| 40673-1 | 55378 | TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC |
| 40673-101 | 55378 | TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO 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
—
Sep 8, 2026
Last purchased
2 · 2.0/yr
Purchase records
$134,329
Total demand
$53,647
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 | SPE7MC26V4273 ↗ | PHOENIX TRADING INC. | — | $80,682 |
| Sep 8, 2026 | SPE7MC26V2250 ↗ | S I T CORPORATION | — | $53,647 |
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
S I T CORPORATION
last award Sep 2026
PHOENIX TRADING INC.
last award Sep 2026
TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC
no award yet
no awards on record
Listed source S I T CORPORATION won 1 of the last 2 awards. S I T CORPORATION and 1 other won without being listed sources.
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,REGULATING,TEMPERATURE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-442-4498/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-442-4498/