Type a 13-digit NSN, a 9-digit NIIN, a manufacturer part number, or a category name such as “gasket”.

Jump to

FSC 4820 × VALVE,REGULATING,FLUID PRESSURE

VALVE,REGULATING,FLUID PRESSURE

4820-00-171-9819 FSC 4820

NSN 4820-00-171-9819 (also written 4820001719819; NIIN 00-171-9819) is a valve, regulating, fluid pressure in Federal Supply Class 4820, Valves, Nonpowered. 6 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.

Search open RFQs on DIBBS →

Can you win it?

This item is coded to be bought directly from the actual manufacturer (AMC 3).

Acquisition method (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
MATERIAL MATT BODY COPPER ALLOY
THREAD SIZE AND SERIES/TYPE DESIGNATOR THDS FIRST END UNF 9 TO 16-18
THREAD SIZE AND SERIES/TYPE DESIGNATOR THDS SECOND END NGO 0.908-14
FLOW CONTROL DEVICE ADQU STEM AND INTEGRAL DISK
END CONNECTION QUANTITY ADQZ 2
SECOND END THREAD PITCH DIAMETERS ADRP INCHES 0.8616 TO 0.8652
OUTLET PRESSURE RANGE AEVA POUNDS PER SQUARE INCH (PSI) 0.0 TO 40.0
BODY STYLE AAQL —
FURNISHED ITEMS ABFF FILTER
FIRST END CONNECTION TYPE ACKM THREADED EXTERNAL TUBE
SECOND END CONNECTION TYPE ACLS THREADED INTERNAL GAS CYLINDER
OUTLET PRESSURE ACCURACY RATING AEWB POUNDS PER SQUARE INCH (PSI) 5.000
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED ACLH INCHES NOMINAL 0.375
FIRST END THREAD CLASS ACLK 2A
MEDIA FOR WHICH DESIGNED MEDA LOCATION NOT OTHERWISE SPECIFIED OXYGEN, GASEOUS
REGULATION TYPE AEVN MANUAL SINGLE STAGE
VALVE LOADING METHOD AEVR SPRING
SECOND END STYLE DESIGNATOR ACLT —
SECOND END THREAD DIRECTION ACMS RIGHT-HAND
FIRST END SEAT ANGLE IN DEG ACTE 30.0
SECOND END SEAT RADIUS ACTL INCHES NOMINAL 0.281
MAXIMUM INLET PRESSURE RATING AEVZ POUNDS PER SQUARE INCH (PSI) 2000.0
FIRST END THREAD DIRECTION ACLL RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END ACLR NOT IDENTICAL
MATERIAL MATT FLOW CONTROL DEVICE STEEL CORROSION RESISTING
FIRST END STYLE DESIGNATOR ACKN —
NONDEFINITIVE SPEC/STD DATA ZZZT TYPE 1 AND CLASS OW1

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
0781-3600 63026 VICTOR EQUIPMENT CO
0781-5154 63026 VICTOR EQUIPMENT CO
45R1TYPED 99993 DEPARTMENT OF THE NAVY
ESS4-40-540 63026 VICTOR EQUIPMENT CO
MILR19180 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SR450B-540 63026 VICTOR EQUIPMENT 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
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total

Compare with other items

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
SPE7M4-26-T-434P Sep 25, 2026 Oct 5, 2026 31 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,REGULATING,FLUID PRESSURE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-171-9819/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/4820-00-171-9819/