Acquisition method (AMC)
3
FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-312-6709 FSC 4820
NSN 4820-01-312-6709 (also written 4820013126709; NIIN 01-312-6709) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 1 supplier 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 |
|---|---|
| FLOW CONTROL DEVICE ADQU | DISK |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 100.0 |
| OPENING PRESSURE SETTING CSDC | POUNDS PER SQUARE INCH 0.110 |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE WATER, FRESH |
| 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 |
|---|---|---|
| 327201 | 13520 | DONALDSON COMPANY, INC. |
| 330239 | 13520 | DONALDSON COMPANY, INC. |
| 427138 ITEM 16 | 13520 | DONALDSON COMPANY, INC. |
| 430075 ITEM 16 | 13520 | DONALDSON COMPANY, 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
$4,150.00
Purchases
2
Total spend
$379,050
Sep 22, 2026
Last purchased
5 · 5.0/yr
Purchase records
$794,667
Total demand
$4,150.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | 7 | $4,150.00 | $29,050 | SEAL DYNAMICS LLC (5N582) | Unknown | Source ↗ |
| Sep 17, 2026 | 23 | $15,217.3913 | $350,000 | SEAL DYNAMICS LLC (5N582) | 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 1, 2026 | SPE7MC26V4240 ↗ | SEAL DYNAMICS LLC | — | $36,567 |
| Sep 17, 2026 | SPE7M226D60LS ↗ | SEAL DYNAMICS LLC | — | $350,000 |
| Sep 22, 2026 | SPE7MC26V4544 ↗ | SEAL DYNAMICS LLC | — | $29,050 |
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.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 16 days from posting to award.
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
SEAL DYNAMICS LLC
last award Sep 2026
DONALDSON COMPANY, INC.
no award yet
no awards on record
Listed source SEAL DYNAMICS LLC won 2 of the last 2 awards. SEAL DYNAMICS LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-26-T-263Q | Sep 11, 2026 | Sep 21, 2026 | 7 | Expired | View at DIBBS → |
| SPE7M2-26-U-0391 | Aug 28, 2026 | Sep 16, 2026 | 23 | 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: 2026-10-26.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-312-6709/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-312-6709/