Acquisition method (AMC)
1
FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-345-5554 FSC 4820
NSN 4820-01-345-5554 (also written 4820013455554; NIIN 01-345-5554) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 7 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.
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 |
| BOLT HOLE QUANTITY AECS | 4 |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| FLANGE SHAPE ARKN | ALL ENDS ROUND WITH HOLES |
| CONNECTION TYPE AWLS | ALL ENDS FLANGE |
| VALVE SIZE CCFG | INCHES 3.000 |
| ADJUSTABLE PRESSURE RANGE CQCY | POUNDS PER SQUARE INCH 100.0 TO 111.0 |
| NOMINAL OUTSIDE DIAMETER CWCD | ALL ENDS INCHES 7.500 |
| NOMINAL THICKNESS CWCK | ALL ENDS INCHES 0.940 |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE CWCL | INCHES 6.375 |
| BOLT HOLE NOMINAL DIAMETER CWCQ | ALL ENDS INCHES 0.625 |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE CWCR | INCHES 6.125 |
| BOLT CIRCLE NOMINAL DIAMETER CWCT | ALL ENDS INCHES 3.000 |
| FLANGE FACE DESIGN CWDF | ALL ENDS RAISED STRAIGHT |
| RAISED FACE NOMINAL HEIGHT CWDH | ALL ENDS INCHES 0.062 |
| RAISED FACE NOMINAL DIAMETER CWDL | ALL ENDS INCHES 5.000 |
| MATERIAL MATT | BODY STEEL |
| MATERIAL MATT | STEM STEEL CORROSION RESISTING |
| MATERIAL MATT | FLOW CONTROL DEVICE STEEL CORROSION RESISTING |
| 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 |
|---|---|---|
| D-10K NMP-1524 100T111PSI | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| D-10K NMP-1524 100T111PSI | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM |
| D-10K NMP-1524 100T111PSI | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
| NMP-1524 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| NMP-1524 | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
| UCNCNN12CKKM | 5P967 | DANTE VALVE COMPANY |
| UCNCNN12CKKM | 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
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
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.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-26-T-223J | Aug 25, 2026 | Sep 10, 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-345-5554/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-345-5554/