Acquisition method (AMC)
3
FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-467-5505 FSC 4820
NSN 4820-01-467-5505 (also written 4820014675505; NIIN 01-467-5505) 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 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)
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 |
|---|---|
| THREAD CLASS AAJD | 3A |
| THREAD DIRECTION AAJF | ALL ENDS RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | POPPET |
| VALVE DISCHARGE FLOW RATE ADSY | LITERS PER MINUTE 50.0 |
| MAXIMUM OPERATING TEMP AEHZ | SINGLE RESPONSE CELSIUS 90.0 |
| CONNECTION STYLE AHNC | — |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| CONNECTION TYPE AWLS | ALL ENDS THREADED EXTERNAL PIPE |
| THREAD QUANTITY PER INCH CMLP | 32 |
| NOMINAL THREAD SIZE CQJX | ALL ENDS INCHES 0.190 |
| SPECIAL FEATURES FEAT | OVERALL LENGTH 0.960 IN.; OVERALL DIAMETER 0.327 IN.; HEAT TREAT 15-5PH, IAW AMS MIL-H-6875, CLASS D, CONDITION H1025 MIL-H-6875 |
| MATERIAL MATT | FLOW CONTROL DEVICE STEEL COMP XM-12 |
| MATERIAL MATT | BODY STEEL COMP XM-12 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | FLOW CONTROL DEVICE ASSN STD SINGLE MATERIAL RESPONSE A-S 5659 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY ASSN STD SINGLE MATERIAL RESPONSE A-S 5659 |
| SURFACE TREATMENT SFTT | LOCATION NOT OTHERWISE SPECIFIED PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | LOCATION NOT OTHERWISE SPECIFIED ASSN STD SINGLE TREATMENT RESPONSE AST- A967 |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | ALL ENDS 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 |
|---|---|---|
| 468RAS03 | 08996 | SAF INDUSTRIES LLC DBA GENERAL PNEUMATICS |
| 639AS10600 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
| 639AS9310 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
| PSRX0501900B | 92555 | THE LEE CO DBA THE LEE CO |
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
—
Sep 15, 2026
Last purchased
1 · 1.0/yr
Purchase records
$176,000
Total demand
$176,000
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 |
|---|---|---|---|---|
| Sep 15, 2026 | SPE7M126PA342 ↗ | — | — | $176,000 |
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
CAGE 3KXP9
last award Sep 2026
NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
no award yet
no awards on record
Listed source SAF INDUSTRIES LLC DBA GENERAL PNEUMATICS
no award yet
no awards on record
Listed source THE LEE CO DBA THE LEE CO
no award yet
no awards on record
Listed source CAGE 3KXP9 won the only award on record. CAGE 3KXP9 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 Oct 23, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-21.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-467-5505/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-467-5505/