Acquisition method (AMC)
3
FSC 4820 × VALVE,LIFT-CHECK
VALVE,LIFT-CHECK
4820-00-134-4475 FSC 4820
NSN 4820-00-134-4475 (also written 4820001344475; NIIN 00-134-4475) is a valve, lift-check in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is 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-0337 | 5 | Closes in 4d | Bid → |
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 |
|---|---|
| MOUNTING FACILITY AZGM | BRACKET(S) |
| VALVE OPERATION METHOD AQLR | AUTOMATIC OR MANUAL |
| THREAD QUANTITY PER INCH CMLP | 20 |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 275.0 |
| DISK LOADING METHOD ADSU | SPRING |
| MATERIAL MATT | BODY ALUMINUM ALLOY 2024 |
| MATERIAL MATT | FLOW CONTROL DEVICE STEEL COMP 440A |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE HYDRAULIC FLUID, MINERAL BASE |
| SURFACE TREATMENT SFTT | ANODIZE |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | FIRST END UNIFIED NATIONAL JOINT FINE (UNJF) |
| CENTER TO CENTER DISTANCE CWDD | INCHES 1.500 |
| CONNECTION TYPE AWLS | FIRST END THREADED INTERNAL BOSS |
| MOUNTING POSITION BBJX | HORIZONTAL OR VERTICAL |
| THREAD CLASS AAJD | 3B |
| CONNECTION STYLE AHNC | — |
| FLOW CONTROL DEVICE ADQU | POPPET |
| BONNET TYPE ADSR | INSIDE SCREW |
| BONNET ATTACHMENT METHOD ADST | THREADED |
| THREAD DIRECTION AAJF | FIRST END RIGHT-HAND |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.437 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0 |
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 |
|---|---|---|
| 2C9146-1 | 99240 | CRISSAIR INC DIV ESCO TECHNOLOGIES |
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 — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-27-T-0337 | Oct 13, 2026 | Oct 23, 2026 | 5 | Open | 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 13, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,LIFT-CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-134-4475/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-134-4475/