Acquisition method (AMC)
3
FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-00-896-4667 FSC 4820
NSN 4820-00-896-4667 (also written 4820008964667; NIIN 00-896-4667) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 3 suppliers 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)
L
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, 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 |
|---|---|
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | FIRST END RIGHT-HAND |
| THREAD DIRECTION AAJF | SECOND END RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | PISTON |
| DISK LOADING METHOD ADSU | SPRING |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE CELSIUS 50.0 |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| CONNECTION TYPE AWLS | FIRST END THREADED INTERNAL BOSS |
| CONNECTION TYPE AWLS | SECOND END THREADED INTERNAL BOSS |
| FEATURES PROVIDED CBBL | PRESSURE TIGHT OUTLET SIDE |
| ADJUSTABLE PRESSURE RANGE CQCY | POUNDS PER SQUARE INCH 10.0 TO 80.0 |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.750 |
| NOMINAL THREAD SIZE CQJX | SECOND END INCHES 0.438 |
| OPERATING PRESSURE CQQF | POWER DRIVE POUNDS PER SQUARE INCH (PSI) NOMINAL 10.0 |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 80.0 |
| OPENING PRESSURE SETTING CSDC | POUNDS PER SQUARE INCH 10.0 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | FIRST END INCHES 0.500 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | SECOND END INCHES 0.250 |
| MATERIAL MATT | BODY STEEL CORROSION RESISTING |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE FUEL/OIL, HYDROCARBON |
| SURFACE TREATMENT SFTT | LOCATION NOT OTHERWISE SPECIFIED PASSIVATE |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | FIRST END UNF |
| THREAD SERIES DESIGNATOR THSD | SECOND END UNF |
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 |
|---|---|---|
| 3169990 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 75318-6 | 86768 | TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT |
| 75318-61 | 1STQ3 | CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA SPRAGUE PRODUCTS DIV CURTISS-WRIGHT FLOW CONTROLS |
| S214 | 86768 | TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT |
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 24, 2026
Last purchased
1 · 1.0/yr
Purchase records
$35,836
Total demand
$35,836
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 24, 2026 | SPE7M126P2881 ↗ | KAMPI COMPONENTS CO INC | — | $35,836 |
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
KAMPI COMPONENTS CO INC
last award Aug 2026
CURTISS-WRIGHT FLOW CONTROL CORPORATION DBA SPRAGUE PRODUCTS DIV CURTISS-WRIGHT FLOW CONTROLS
no award yet
no awards on record
Listed source NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT
no award yet
no awards on record
Listed source KAMPI COMPONENTS CO INC won the only award on record. KAMPI COMPONENTS CO INC won without being a listed source.
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 1, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-01.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-896-4667/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-896-4667/