Acquisition method (AMC)
1
FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-252-3767 FSC 4820
NSN 4820-01-252-3767 (also written 4820012523767; NIIN 01-252-3767) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 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)
R
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 |
|---|---|
| THREAD DIRECTION AAJF | ALL ENDS RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | DISK |
| BONNET TYPE ADSR | INSIDE SPRING |
| BONNET ATTACHMENT METHOD ADST | INTEGRAL |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 300.0 |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| CONNECTION TYPE AWLS | FIRST END THREADED EXTERNAL PIPE |
| CONNECTION TYPE AWLS | SECOND END THREADED INTERNAL PIPE |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 1.500 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 1200.0 |
| OPENING PRESSURE SETTING CSDC | POUNDS PER SQUARE INCH 300.0 |
| MATERIAL MATT | FLOW CONTROL DEVICE COPPER ALLOY |
| MATERIAL MATT | PACKING PLASTIC POLYTETRAFLUOROETHYLENE |
| MATERIAL MATT | BODY COPPER ALLOY |
| MATERIAL MATT | STEM COPPER ALLOY |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE HYDRAULIC FLUID, MINERAL BASE |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS NPT |
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 |
|---|---|---|
| 0020-G01-MC00300 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 0020-G01-MG0300 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 0020-G01-MG0300 | 1X5W8 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DBA MARINE PRODUCT TEAM DIV MARINE PRODUCT TEAM |
| FIG 20 1 1/2IN | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| FIG 20 1.50IN | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| FIG 20-1 1.50IN | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
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
$397.02
Purchases
1
Total spend
$13,499
Sep 23, 2026
Last purchased
2 · 2.0/yr
Purchase records
$26,997
Total demand
$397.02
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | 34 | $397.02 | $13,499 | KAMPI COMPONENTS CO INC (7Z016) | 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 |
|---|---|---|---|---|
| Sep 23, 2026 | SPE7MC26V4421 ↗ | KAMPI COMPONENTS CO INC | — | $13,499 |
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
KAMPI COMPONENTS CO INC
last award Sep 2026
ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
no award yet
no awards on record
Listed source EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DBA MARINE PRODUCT TEAM DIV MARINE PRODUCT TEAM
no award yet
no awards on record
Listed source KAMPI COMPONENTS CO INC won the only award on record. KAMPI COMPONENTS CO INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-26-T-257M | Sep 11, 2026 | Sep 21, 2026 | 34 | 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: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-252-3767/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-252-3767/