Acquisition method (AMC)
1
FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-139-1713 FSC 4820
NSN 4820-01-139-1713 (also written 4820011391713; NIIN 01-139-1713) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 8 manufacturer part numbers from 4 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)
L
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC L: annual buy value is below the screening threshold. 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 |
| BONNET TYPE ADSR | INSIDE SCREW |
| BONNET ATTACHMENT METHOD ADST | BOLTED |
| DISK LOADING METHOD ADSU | SPRING |
| END ITEM IDENTIFICATION AGAV | SPRUANCE CLASS DD(963) |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| FLANGE SHAPE ARKN | ALL ENDS ROUND |
| CONNECTION TYPE AWLS | ALL ENDS FLANGE |
| VALVE SIZE CCFG | INCHES 3.000 |
| ADJUSTABLE PRESSURE RANGE CQCY | POUNDS PER SQUARE INCH 66.0 TO 75.0 |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE CWCL | INCHES 5.500 |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE CWCR | INCHES 6.000 |
| FLANGE FACE DESIGN CWDF | SECOND END RECESSED STRAIGHT |
| MATERIAL MATT | SEAT NICKEL ALLOY |
| MATERIAL MATT | STEM NICKEL ALLOY |
| MATERIAL MATT | BODY COPPER ALLOY |
| STYLE DESIGNATOR STYL | — |
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 |
|---|---|---|
| 20218-010-41M | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 20218-1 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 20218-1-010-41M | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 20218-1-010-41M | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM |
| 20218-1-010-41M/CDS15957 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 20218-1-010-41M/CDS15957 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM |
| BAMHH05MKK | 5P967 | DANTE VALVE COMPANY |
| BAMHH05MKK | 65079 | DANCO VALVE COMPANY |
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
—
Sep 28, 2026
Last purchased
1 · 1.0/yr
Purchase records
$27,811
Total demand
$27,811
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Sep 28, 2026 | SPE7M126PA761 ↗ | — | — | $27,811 |
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
CAGE 8SNS8
last award Sep 2026
ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
no award yet
no awards on record
Listed source DANCO VALVE COMPANY
no award yet
no awards on record
Listed source DANTE VALVE COMPANY
no award yet
no awards on record
Listed source EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM
no award yet
no awards on record
Listed source CAGE 8SNS8 won the only award on record. CAGE 8SNS8 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-27-T-0660 | Oct 14, 2026 | Oct 30, 2026 | 2 | Expired | View at DIBBS → |
| SPE7MC-26-T-230G | Aug 27, 2026 | Sep 11, 2026 | 2 | 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: 2026-09-29.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-139-1713/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-139-1713/