Acquisition method (AMC)
3
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-01-509-9049 FSC 4820
NSN 4820-01-509-9049 (also written 4820015099049; NIIN 01-509-9049) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Nov 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 |
|---|---|
| FLOW CONTROL DEVICE ADQU | POPPET |
| THREAD CLASS AAJD | 3A |
| THREAD DIRECTION AAJF | ALL ENDS RIGHT-HAND |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| CONNECTION TYPE AWLS | ALL ENDS THREADED EXTERNAL TUBE |
| MOUNTING POSITION BBJX | HORIZONTAL OR VERTICAL |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 0.370 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0 |
| SEAT ANGLE CQRB | ALL ENDS DEGREES 37.0 |
| OPENING PRESSURE SETTING CSDC | POUNDS PER SQUARE INCH 5.0 |
| SPECIAL FEATURES FEAT | END CONNECTIONS PER MS33656; MATERIAL 303 STAINLESS STEEL; O-RING MATERIAL, TEMPERATURE AND CRACKING PRESSURE RANGE 32 - VITON, -20 DEG FEH TO +400 DEG FEH, 0.5-1 PSIG; TUBE SIZE 3/8 INCHES; LENGTH 2.64 INCHES FACE TO FACE TO END CONNECTIONS; BODY VALVE LENGTH 1.53 INCHES; WEIGHT 0.35 LBS; MALE TUBE; PROOF PRESSURE 1-1/2 TIMES OPERATING PRESSURE; BURST PRESSURE 2-1/2 TO 4 TIMES OPERATION PRESSURE MS33656 |
| MATERIAL MATT | BODY ALUMINUM ALLOY 2024 |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE FUEL/OIL, HYDROCARBON |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS UNF |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 400.0 |
| CONNECTION STYLE AHNC | — |
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 |
|---|---|---|
| CV02-264 | 91816 | CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE 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
—
Nov 2, 2026
Last purchased
1 · 1.0/yr
Purchase records
$323,336
Total demand
$323,336
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 |
|---|---|---|---|---|
| Nov 2, 2026 | SPE7MC27P0337 ↗ | TRANSAERO, INC. | — | $323,336 |
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.
- 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
TRANSAERO, INC.
last award Nov 2026
CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC
no award yet
no awards on record
Listed source TRANSAERO, INC. won the only award on record. TRANSAERO, INC. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-26-T-242V | Aug 31, 2026 | Sep 16, 2026 | 214 | Cancelled | View at DIBBS → |
| SPE7MC-26-T-150V | Jul 24, 2026 | Aug 6, 2026 | 155 | 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: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-509-9049/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-509-9049/