FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-306-7011 FSC 4820
NSN 4820-01-306-7011 (also written 4820013067011; NIIN 01-306-7011) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 7 manufacturer part numbers from 5 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 to be bought directly from the actual manufacturer (AMC 3).
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 | DISK |
| DISK LOADING METHOD ADSU | SPRING |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| ADJUSTABLE PRESSURE RANGE CQCY | POUNDS PER SQUARE INCH 2201.0 TO 3800.0 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3800.0 |
| OPENING PRESSURE SETTING CSDC | POUNDS PER SQUARE INCH 2201.0 |
| MATERIAL MATT | FLOW CONTROL DEVICE PLASTIC POLYTETRAFLUOROETHYLENE |
| MATERIAL MATT | BODY NICKEL ALLOY |
| MATERIAL MATT | STEM NICKEL ALLOY OR COPPER ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY FED SPEC 1ST MATERIAL RESPONSE QQ-N-281 AND FED SPEC 2ND MATERIAL RESPONSE QQ-N-288 QQ-N-281 |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE AIR |
| STYLE DESIGNATOR STYL | — |
| NONDEFINITIVE SPEC/STD DATA ZZZT | SIZE .50IS |
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 |
|---|---|---|
| 203566940SS | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 203566940SS | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM |
| D41P-30UU-06 | 65079 | DANCO VALVE COMPANY |
| D41P-30UU-06H-1/2-1/2 | 5P967 | DANTE VALVE COMPANY |
| D41P-30UU-06H-1/2-1/2 | 65079 | DANCO VALVE COMPANY |
| D41P-30UUU-06H-1/2-1/2 | 65079 | DANCO VALVE COMPANY |
| MIL-V-22549 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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.
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 — 2 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-286F | Sep 21, 2026 | Oct 1, 2026 | 3 | Expired | View at DIBBS → |
| SPE7MC-26-T-250B | Sep 8, 2026 | Sep 18, 2026 | 3 | Cancelled | 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
NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-306-7011/. Data as of October 19, 2026.
https://nsnexplorer.com/nsn/4820-01-306-7011/