Acquisition method (AMC)
1
FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-00-781-9630 FSC 4820
NSN 4820-00-781-9630 (also written 4820007819630; NIIN 00-781-9630) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 13 manufacturer part numbers from 7 suppliers are on record. It was last purchased in Aug 2026.
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 |
| DISK LOADING METHOD ADSU | SPRING |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 4000.0 |
| MATERIAL MATT | BODY ALUMINUM ALLOY |
| SPECIAL FEATURES FEAT | CARTRIDGE TYPE, PER SOURCE CONTROL DRAWING, OPERATION PRESSURE RANGES FROM 1000 TO 4000 +50 PSI |
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 |
|---|---|---|
| 12008802 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC |
| 158G5181 | 24976 | DANFOSS INC |
| 158G5181 | 64294 | DANFOSS FLUID POWER INC RACINE OPN |
| 1L10-01-V-0-E-C | 24976 | DANFOSS INC |
| 1L10-F-40 | 8Z296 | DANFOSS FLUID POWER INC EASLEY OPN |
| 1L10-F-40SV | 64294 | DANFOSS FLUID POWER INC RACINE OPN |
| 1L10F40S | 8Z296 | DANFOSS FLUID POWER INC EASLEY OPN |
| 52-W-1759-13 | 03111 | BLISS E W CO GULF AND WESTERN MFG CO SUB OF GULF AND WESTERN INDUSTRIES |
| 52-W-1759-13 | 21439 | CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA |
| 52-W-2299-13 | 03111 | BLISS E W CO GULF AND WESTERN MFG CO SUB OF GULF AND WESTERN INDUSTRIES |
| 52-W-2299-13 | 21439 | CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA |
| 59303-0 | 8Z296 | DANFOSS FLUID POWER INC EASLEY OPN |
| 6544C080 | 36334 | INDAL TECHNOLOGIES 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
$182.72
Purchases
1
Total spend
$9,319
Aug 27, 2026
Last purchased
2 · 2.0/yr
Purchase records
$18,637
Total demand
$182.72
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Aug 27, 2026 | 51 | $182.72 | $9,319 | LARKOS PACKING AND DISTRIBUTION INC. (6PZL1) | 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 |
|---|---|---|---|---|
| Aug 27, 2026 | SPE7M226V4806 ↗ | LARKOS PACKING AND DISTRIBUTION INC. | — | $9,319 |
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.
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
LARKOS PACKING AND DISTRIBUTION INC.
last award Aug 2026
ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC
no award yet
no awards on record
Listed source BLISS E W CO GULF AND WESTERN MFG CO SUB OF GULF AND WESTERN INDUSTRIES
no award yet
no awards on record
Listed source CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA
no award yet
no awards on record
Listed source DANFOSS FLUID POWER INC EASLEY OPN
no award yet
no awards on record
Listed source DANFOSS FLUID POWER INC RACINE OPN
no award yet
no awards on record
Listed source DANFOSS INC
no award yet
no awards on record
Listed source INDAL TECHNOLOGIES INC
no award yet
no awards on record
Listed source LARKOS PACKING AND DISTRIBUTION INC. won the only award on record. LARKOS PACKING AND DISTRIBUTION INC. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M2-26-T-6080 | Aug 7, 2026 | Aug 17, 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.
- Data last refreshed: 2026-10-28.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-781-9630/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-781-9630/