Acquisition method (AMC)
3
FSC 4820 × VALVE,REGULATING,FLUID PRESSURE
VALVE,REGULATING,FLUID PRESSURE
4820-01-175-1139 FSC 4820
NSN 4820-01-175-1139 (also written 4820011751139; NIIN 01-175-1139) is a valve, regulating, fluid pressure in Federal Supply Class 4820, Valves, Nonpowered. 2 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 CONNECTION TYPE ACKM | UNTHREADED INTERNAL PIPE |
| FIRST END NOMINAL PIPE SIZE ACCOMMODATED ACLG | INCHES 2.000 |
| FLOW CONTROL DEVICE ADQU | DISK |
| OUTLET PRESSURE RANGE AEVA | POUNDS PER SQUARE INCH (PSI) 25.0 TO 60.0 |
| MATERIAL MATT | FLOW CONTROL DEVICE RUBBER |
| MATERIAL MATT | BODY COPPER ALLOY |
| MATERIAL MATT | STEM NICKEL 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 |
|---|---|---|
| 40445-04 25T60PSI | 55378 | TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC |
| 40445-402 | 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
—
Oct 13, 2026
Last purchased
1 · 1.0/yr
Purchase records
$1,147,620
Total demand
$1,147,620
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 |
|---|---|---|---|---|
| Oct 13, 2026 | SPE7MC27C0001 ↗ | TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC | — | $1,147,620 |
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
TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC
last award Oct 2026
TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC won the only award on record.
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 14, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-14.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,REGULATING,FLUID PRESSURE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-175-1139/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-175-1139/