Acquisition method (AMC)
3
FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-00-055-5114 FSC 4820
NSN 4820-00-055-5114 (also written 4820000555114; NIIN 00-055-5114) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 3 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 |
|---|---|
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | ALL ENDS INCHES 0.375 |
| THREAD DIRECTION AAJF | ALL ENDS RIGHT-HAND |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE FUEL/OIL, HYDROCARBON |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS UNF |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| SURFACE TREATMENT SFTT | LOCATION NOT OTHERWISE SPECIFIED ANODIZE |
| THREAD CLASS AAJD | 3B |
| STYLE DESIGNATOR STYL | — |
| MATERIAL MATT | BODY ALUMINUM ALLOY |
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 275.0 |
| OPENING PRESSURE SETTING CSDC | POUNDS PER SQUARE INCH 240.0 |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 0.562 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | LOCATION NOT OTHERWISE SPECIFIED MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625 |
| FLOW CONTROL DEVICE ADQU | POPPET |
| DISK LOADING METHOD ADSU | SPRING |
| VALVE DISCHARGE FLOW RATE ADSY | GALLONS PER MINUTE 3.5 |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE FAHRENHEIT 275.0 |
| CONNECTION STYLE AHNC | — |
| MATERIAL MATT | SEAT ALUMINUM ALLOY |
| CONNECTION TYPE AWLS | ALL ENDS THREADED INTERNAL BOSS |
| FEATURES PROVIDED CBBL | PRESSURE TIGHT OUTLET SIDE |
| THREAD QUANTITY PER INCH CMLP | 18 |
| MATERIAL MATT | FLOW CONTROL DEVICE STEEL CORROSION RESISTING |
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 |
|---|---|---|
| 117SCH104-5 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| HP368100-5 | 70236 | TACTAIR FLUID CONTROLS INC |
| HP368100-5 | 84685 | TELEDYNE HYDRA-POWER DIV OF TELEDYNE 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
—
—
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-291S | Sep 25, 2026 | Oct 5, 2026 | 17 | 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/4820-00-055-5114/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-055-5114/