Acquisition method (AMC)
3
FSC 4820 × VALVE,REGULATING,TEMPERATURE
VALVE,REGULATING,TEMPERATURE
4820-01-249-3455 FSC 4820
NSN 4820-01-249-3455 (also written 4820012493455; NIIN 01-249-3455) is a valve, regulating, temperature in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.
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)
L
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC L: annual buy value is below the screening threshold. 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 |
|---|---|
| BODY STYLE AAQL | — |
| FIRST END CONNECTION TYPE ACKM | UNTHREADED INTERNAL TUBE |
| FIRST END STYLE DESIGNATOR ACKN | — |
| FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED ACLH | INCHES NOMINAL 2.000 |
| SECOND END RELATIONSHIP WITH FIRST END ACLR | IDENTICAL |
| FLOW CONTROL DEVICE ADQU | DISK |
| END CONNECTION QUANTITY ADQZ | 2 |
| TWO-WAY VALVE ACTION AEVM | REVERSE ACTING |
| CAPILLARY TUBE LENGTH AEVT | INCHES NOMINAL 180.000 |
| BULB LENGTH AEVU | INCHES NOMINAL 12.000 |
| BULB DIAMETER AEVV | INCHES NOMINAL 1.750 |
| TEMP ADJUSTABILITY AEVX | ADJUSTABLE |
| THERMOSTATIC ELEMENT AEWJ | DUCT TYPE |
| SPECIAL FEATURES FEAT | DOUBLE SEAT,REVERSE ACTING |
| MATERIAL MATT | BULB COPPER ALLOY |
| MATERIAL MATT | FLOW CONTROL DEVICE COPPER ALLOY |
| MATERIAL MATT | BODY COPPER 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 |
|---|---|---|
| 40055-102 | 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
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-27-Q-0033 | Oct 22, 2026 | Nov 5, 2026 | 4 | Expired | View at DIBBS → |
| SPE7MC-26-T-185G | Aug 7, 2026 | Aug 20, 2026 | 4 | Cancelled | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,REGULATING,TEMPERATURE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-249-3455/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-249-3455/