NSN Explorer

FSC 4820 × VALVE,STOP-CHECK

VALVE,STOP-CHECK

4820-01-524-9123

Open for bid

No open solicitations on record for this NSN right now.

Search open RFQs on DIBBS →

Can you win it?

Restricted — approved sources only, based on the latest AMSC/AMC on record.

AMSC / AMC
Competition

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
BONNET TYPE ADSR OUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHOD ADST BOLTED
BOLT HOLE QUANTITY AECS 6
VALVE OPERATION METHOD AQLR MANUAL
FLANGE SHAPE ARKN ALL ENDS ROUND WITH HOLES
CONNECTION TYPE AWLS ALL ENDS FLANGE
VALVE SIZE CCFG INCHES 2.500
NOMINAL OUTSIDE DIAMETER CWCD ALL ENDS INCHES 6.125
NOMINAL THICKNESS CWCK ALL ENDS INCHES 0.500
FIRST CONNECTION FACE TO CENTERLINE DISTANCE CWCL INCHES 4.500
BOLT HOLE NOMINAL DIAMETER CWCQ ALL ENDS INCHES 0.562
SECOND CONNECTION FACE TO CENTERLINE DISTANCE CWCR INCHES 4.500
BOLT CIRCLE NOMINAL DIAMETER CWCT ALL ENDS INCHES 5.000
FLANGE FACE DESIGN CWDF ALL ENDS PLAIN
PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY ANGLE STOP CHECK VALVE
MATERIAL MATT STEM NICKEL ALLOY
MATERIAL DOCUMENT AND CLASSIFICATION MDCL SEAT ASSN STD SINGLE MATERIAL RESPONSE AST--A494. GR. -30C
STYLE DESIGNATOR STYL
FURNISHED ITEMS AND QUANTITY TMQY HANDWHEEL 1

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
803-1385541-024AF 80064 NAVAL SHIP SYSTEMS COMMAND

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

Price history

What the government paid per unit

Fewer than two priced purchases on record — see the table below.

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
SPE7M1-26-T-270H Aug 11, 2026 Aug 21, 2026 1 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.
  • Contract action totals: USAspending, context only.
  • Full methodology →