Acquisition method (AMC)
3
FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-449-8468 FSC 4820
NSN 4820-01-449-8468 (also written 4820014498468; NIIN 01-449-8468) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 5 manufacturer part numbers from 1 supplier are on record. It was last purchased in Aug 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)
R
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 |
| 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 1.500 |
| ADJUSTABLE PRESSURE RANGE CQCY | POUNDS PER SQUARE INCH 45.0 TO 70.0 |
| NOMINAL OUTSIDE DIAMETER CWCD | SECOND END INCHES 1.250 |
| NOMINAL OUTSIDE DIAMETER CWCD | FIRST END INCHES 1.500 |
| NOMINAL THICKNESS CWCK | FIRST END INCHES 0.438 |
| NOMINAL THICKNESS CWCK | SECOND END INCHES 0.406 |
| BOLT HOLE NOMINAL DIAMETER CWCQ | ALL ENDS INCHES 0.625 |
| BOLT CIRCLE NOMINAL DIAMETER CWCT | SECOND END INCHES 3.500 |
| BOLT CIRCLE NOMINAL DIAMETER CWCT | FIRST END INCHES 3.875 |
| FLANGE FACE DESIGN CWDF | ALL ENDS PLAIN |
| MATERIAL MATT | SEAT NICKEL ALLOY |
| MATERIAL MATT | FLOW CONTROL DEVICE NICKEL ALLOY |
| MATERIAL MATT | BODY COPPER ALLOY |
| MATERIAL MATT | PACKING RUBBER |
| MATERIAL MATT | STEM NICKEL 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 |
|---|---|---|
| 1385 1 1/4 X 1 | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC |
| 1385 11/4X11/2IN 45TO70PSI | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC |
| 2385FG685 | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC |
| 3457 11/4X11/2IN 45TO70PSI | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC |
| YB2385FG685 | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS 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
—
Purchases
0
Total spend
—
Aug 10, 2026
Last purchased
1 · 1.0/yr
Purchase records
$5,093,424
Total demand
$5,093,424
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 |
|---|---|---|---|---|
| Aug 10, 2026 | SPE7MC26C0023 ↗ | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC | — | $5,093,424 |
Demand history
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
LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC
last award Aug 2026
LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC won the only award on record.
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 Nov 6, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-449-8468/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-449-8468/