Acquisition method (AMC)
3
FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-503-5240 FSC 4820
NSN 4820-01-503-5240 (also written 4820015035240; NIIN 01-503-5240) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 7 manufacturer part numbers from 2 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-0533 | 2 | Closes in 4d | Bid → |
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 |
|---|---|
| FLOW CONTROL DEVICE ADQU | DISK |
| BONNET TYPE ADSR | INSIDE SPRING |
| BONNET ATTACHMENT METHOD ADST | UNION |
| DISK LOADING METHOD ADSU | SPRING |
| VALVE OPERATION METHOD AQLR | AUTOMATIC OR MANUAL |
| ADJUSTABLE PRESSURE RANGE CQCY | POUNDS PER SQUARE INCH 75.0 TO 450.0 |
| SPECIAL FEATURES FEAT | END CONNECTIONS ARE 1.000 INCH FOR SPECIAL APPLICATION AND NEED TO BE SPECIFIED WHEN ORDERED. |
| MATERIAL MATT | BODY COPPER ALLOY 922 |
| MATERIAL MATT | FLOW CONTROL DEVICE NICKEL ALLOY |
| MATERIAL MATT | SEAT NICKEL ALLOY |
| MATERIAL MATT | STEM NICKEL ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY ASSN STD SINGLE MATERIAL RESPONSE AST--B61 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | FLOW CONTROL DEVICE FED SPEC SINGLE MATERIAL RESPONSE QQ-N-288 QQ-N-288 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SEAT FED SPEC SINGLE MATERIAL RESPONSE QQ-N-288 QQ-N-288 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | STEM FED SPEC SINGLE MATERIAL RESPONSE QQ-N-281 QQ-N-281 |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE GAS, NATURAL |
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
| STYLE DESIGNATOR STYL | — |
| FURNISHED ITEMS AND QUANTITY TMQY | LEVER 1 |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT SPECIFICATION 81349--IL-V-22549 |
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 |
|---|---|---|
| BCMVV05MEE | 65079 | DANCO VALVE COMPANY |
| BCMZZ05MEE | 65079 | DANCO VALVE COMPANY |
| BXMVV05MEE | 5P967 | DANTE VALVE COMPANY |
| BXMVV05MEE | 65079 | DANCO VALVE COMPANY |
| D1000-SW | 65079 | DANCO VALVE COMPANY |
| D1000-SW ASSY BCMZZ05MEE | 5P967 | DANTE VALVE COMPANY |
| D1000-SW ASSY BCMZZ05MEE | 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
$14,675.47
Purchases
1
Total spend
$14,675
Sep 23, 2026
Last purchased
2 · 2.0/yr
Purchase records
$29,351
Total demand
$14,675.47
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | 1 | $14,675.47 | $14,675 | 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 | SPE7MC26V4567 ↗ | TRIMAN INDUSTRIES INC | — | $14,675 |
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
TRIMAN INDUSTRIES INC
last award Sep 2026
DANCO VALVE COMPANY
no award yet
no awards on record
Listed source DANTE VALVE COMPANY
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-27-T-0533 | Oct 13, 2026 | Oct 23, 2026 | 2 | Open | View at DIBBS → |
| SPE7MC-26-T-264Y | 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/4820-01-503-5240/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-503-5240/