Acquisition method (AMC)
3
FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-440-1513 FSC 4820
NSN 4820-01-440-1513 (also written 4820014401513; NIIN 01-440-1513) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 7 manufacturer part numbers from 3 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 |
|---|---|
| NOMINAL PIPE SIZE ACCOMMODATED AAAR | ALL ENDS INCHES 0.500 |
| FLOW CONTROL DEVICE ADQU | DISK |
| DISK LOADING METHOD ADSU | SPRING |
| MAXIMUM OPERATING TEMP AEHZ | FIRST RESPONSE FAHRENHEIT 150.0 |
| MAXIMUM OPERATING TEMP AEHZ | SECOND RESPONSE FAHRENHEIT 250.0 |
| END ITEM IDENTIFICATION AGAV | NIMITZ CLASS CVN |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| CONNECTION TYPE AWLS | ALL ENDS UNTHREADED INTERNAL PIPE |
| ADJUSTABLE PRESSURE RANGE CQCY | POUNDS PER SQUARE INCH 45.0 TO 55.0 |
| OPERATING PRESSURE CQQF | SECOND RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 335.0 |
| OPERATING PRESSURE CQQF | FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0 |
| SPECIAL FEATURES FEAT | VALVE TYPE 1741-T |
| MATERIAL MATT | BODY COPPER ALLOY |
| MATERIAL MATT | FLOW CONTROL DEVICE NICKEL ALLOY |
| MATERIAL MATT | STEM NICKEL ALLOY |
| MATERIAL MATT | SEAT NICKEL ALLOY |
| MEDIA FOR WHICH DESIGNED MEDA | SECOND RESPONSE WATER-OIL-GAS |
| MEDIA FOR WHICH DESIGNED MEDA | FIRST RESPONSE STEAM |
| 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 |
|---|---|---|
| 20213 ASSY 20213HM41M | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 20213 ASSY 20213HM41M | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM |
| 2021301R0045 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM |
| 20213HM41M | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 20213HM41M | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM |
| 20213R01R0045 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM |
| BAMAA05MCC | 5P967 | DANTE 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
$11,491.42
Purchases
1
Total spend
$11,491
Sep 23, 2026
Last purchased
2 · 2.0/yr
Purchase records
$22,983
Total demand
$11,491.42
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | 1 | $11,491.42 | $11,491 | TRIMAN INDUSTRIES INC (0ZBE8) | 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 | SPE7MC26V4479 ↗ | TRIMAN INDUSTRIES INC | — | $11,491 |
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
TRIMAN INDUSTRIES INC
last award Sep 2026
ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
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 TRIMAN INDUSTRIES INC won the only award on record. TRIMAN INDUSTRIES INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-26-T-256G | Sep 11, 2026 | Sep 21, 2026 | 1 | 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/4820-01-440-1513/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-440-1513/