Acquisition method (AMC)
1
FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-383-5019 FSC 4820
NSN 4820-01-383-5019 (also written 4820013835019; NIIN 01-383-5019) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 3 suppliers are 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-1490 | 115 | Closes in 9d | Bid → |
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 |
|---|---|
| END ITEM IDENTIFICATION AGAV | MK48/ADCAP;NAVAL SEA SYSTEMS COMMAND |
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 |
|---|---|---|
| 6301895 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| K-2769-32 | 55469 | ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES |
| RV05-258 | 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
$567.00
Purchases
1
Total spend
$51,597
Oct 19, 2026
Last purchased
4 · 4.0/yr
Purchase records
$177,555
Total demand
$567.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 19, 2026 | 91 | $567.00 | $51,597 | ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION (83533) | 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 |
|---|---|---|---|---|
| Oct 9, 2026 | SPE7MC19P3154 ↗ | ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION | — | $37,181 |
| Oct 9, 2026 | SPE7MC19P3154 ↗ | ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION | — | $37,181 |
| Oct 19, 2026 | SPE7MC27P0084 ↗ | ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION | — | $51,597 |
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
ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION
last award Oct 2026
CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC
no award yet
no awards on record
Listed source ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES
no award yet
no awards on record
Listed source NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION won the only award on record. ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-27-T-1490 | Nov 6, 2026 | Nov 16, 2026 | 115 | Open | View at DIBBS → |
| SPE7MC-26-T-245R | Sep 1, 2026 | Sep 11, 2026 | 91 | 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: 2026-10-20.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-383-5019/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-383-5019/