Acquisition method (AMC)
1
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-01-145-5907 FSC 4820
NSN 4820-01-145-5907 (also written 4820011455907; NIIN 01-145-5907) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 10 manufacturer part numbers from 3 suppliers are 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 as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
B
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC B: must be bought from the sources named on a source control or selected item drawing. 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 | DISK |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 300.0 |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| FLANGE SHAPE ARKN | SECOND END ROUND |
| CONNECTION TYPE AWLS | ALL ENDS FLANGE |
| MOUNTING POSITION BBJX | HORIZONTAL OR VERTICAL |
| VALVE SIZE CCFG | INCHES 4.000 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 167.0 |
| NOMINAL OUTSIDE DIAMETER CWCD | ALL ENDS INCHES 4.636 |
| FACE TO FACE DISTANCE CWCF | INCHES 3.885 |
| NOMINAL THICKNESS CWCK | SECOND END INCHES 0.233 |
| NOMINAL THICKNESS CWCK | FIRST END INCHES 0.233 |
| FLANGE FACE DESIGN CWDF | ALL ENDS PLAIN |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE AIR |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
| STYLE DESIGNATOR STYL | — |
| SUPPLEMENTARY FEATURES SUPP | APPLICABLE TO KC-135R ACFT |
| FSC APPLICATION DATA ZZZV | AUXILIARY POWER UNIT(APU) CAGEC 79318 |
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 |
|---|---|---|
| 420945 | 79318 | MEGGITT NORTH HOLLYWOOD INC |
| 420945-1 | 79318 | MEGGITT NORTH HOLLYWOOD INC |
| 420945-2 | 79318 | MEGGITT NORTH HOLLYWOOD INC |
| 420945-4 | 79318 | MEGGITT NORTH HOLLYWOOD INC |
| 458-50004-1 | 82918 | THE BOEING COMPANY DIV LEGACY WICHITA |
| 458-50004-502 | 82918 | THE BOEING COMPANY DIV LEGACY WICHITA |
| 458-50004-503 | 75201 | BAHR MACHINE COMPANY INC DBA BAHR MACHINE CO |
| 458-50004-503 | 79318 | MEGGITT NORTH HOLLYWOOD INC |
| 458-50004-503 | 82918 | THE BOEING COMPANY DIV LEGACY WICHITA |
| 8100-1 | 75201 | BAHR MACHINE COMPANY INC DBA BAHR MACHINE 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
—
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-26-T-300L | Sep 25, 2026 | Oct 5, 2026 | 51 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-145-5907/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-145-5907/