Acquisition method (AMC)
3
FSC 4820 × VALVE,BLEEDER,HYDRAULIC SYSTEM
VALVE,BLEEDER,HYDRAULIC SYSTEM
4820-01-158-6193 FSC 4820
NSN 4820-01-158-6193 (also written 4820011586193; NIIN 01-158-6193) is a valve, bleeder, hydraulic system in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE7MC-27-T-1243 | 2 | Closes in 2d | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 |
|---|---|
| THREAD CLASS AAJD | 2A |
| THREAD DIRECTION AAJF | ALL ENDS RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | BALL |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 450.0 |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | MANUAL |
| CONNECTION TYPE AWLS | ALL ENDS THREADED EXTERNAL TUBE |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 0.250 |
| OPERATING PRESSURE CQQF | FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 4000.0 |
| MATERIAL MATT | OVERALL NICKEL ALLOY |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS UNF |
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 |
|---|---|---|
| 02447777PTSLK | 28740 | FLOWSERVE US INC. DIV FLOWSERVE COOKEVILLE VALVE OPERATION |
| 1/4IN-44 77 PT SLK | 28740 | FLOWSERVE US INC. DIV FLOWSERVE COOKEVILLE VALVE OPERATION |
| M-4P4T | 18034 | NUPRO CO |
| M-4P4T | 3T9T9 | SWAGELOK CO |
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
$650.00
Purchases
1
Total spend
$1,300
Oct 2, 2026
Last purchased
2 · 2.0/yr
Purchase records
$2,600
Total demand
$650.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 2, 2026 | 2 | $650.00 | $1,300 | C U ENTERPRISES LTD (0W778) | 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 2, 2026 | SPE7M127V0124 ↗ | C U ENTERPRISES LTD | — | $1,300 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 3 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.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
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
C U ENTERPRISES LTD
last award Oct 2026
FLOWSERVE US INC. DIV FLOWSERVE COOKEVILLE VALVE OPERATION
no award yet
no awards on record
Listed source NUPRO CO
no award yet
no awards on record
Listed source SWAGELOK CO
no award yet
no awards on record
Listed source C U ENTERPRISES LTD won the only award on record. C U ENTERPRISES LTD won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-27-T-1243 | Oct 28, 2026 | Nov 9, 2026 | 2 | Open | View at DIBBS → |
| SPE7MC-27-T-0158 | Oct 8, 2026 | Oct 22, 2026 | 2 | Expired | View at DIBBS → |
| SPE7MC-26-T-192B | Aug 13, 2026 | Aug 24, 2026 | 2 | 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: 2026-10-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,BLEEDER,HYDRAULIC SYSTEM." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-158-6193/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-158-6193/