Home · FSC 4820 Valves, Nonpowered · NSN 4820-00-184-9185

NSN 4820-00-184-9185 — Valve,Stop-Check

NIIN 00-184-9185 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 4820-00-184-9185 is the national stock number for a valve,stop-check in federal supply class 4820 (Valves, Nonpowered). It cross-references to 9 manufacturer part numbers from 5 CAGE codes, including Naval Ship Systems Command, Naval Sea Systems Command, Dla Weapons Support (Columbus) Dba Dla Vendor Item Drawing (Vid) Div Document Standardization Division (Va); the primary is 803-4384536. The unit of issue is EA and the FLIS list price is $334.45.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 24, 2026 for $5,587 from Milwaukee Valve Co, Inc. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

9

part numbers from 5 CAGEs

0

open solicitations, all agencies

1

government buy in 24 months

0

sellers with confirmed stock

Watch NSN 4820-00-184-9185: an email the morning the government solicits or buys it, or an AD names it. Free.
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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part numberCAGEManufacturerReferenceVariation
803-4384536-42AXAF80064Naval Ship Systems Command3 · Design control (vendor)2 · Fully interchangeable
803-4384536-42A80064Naval Ship Systems Command5 · Secondary reference9 · Reference only
810-138572253711Naval Sea Systems Command5 · Secondary reference9 · Reference only
810-138572280064Naval Ship Systems Command5 · Secondary reference9 · Reference only
810-438453680064Naval Ship Systems Command5 · Secondary reference9 · Reference only
810-438453653711Naval Sea Systems Command5 · Secondary reference9 · Reference only
810-4384536-42A53711Naval Sea Systems Command5 · Secondary reference9 · Reference only
CS4820-0019EAAA4CDDDCS16236Dla Weapons Support (Columbus) Dba Dla Vendor Item Drawing (Vid) Div Document Standardization Division (Va)5 · Secondary reference9 · Reference only
MILV184381349Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
DS2078-1CPCSC3-63686The Walworth CompanyC1 · Not fully interchangeable
803-438453680064Naval Ship Systems CommandD9 · Reference only

Government demand

Nothing open right now. Last government buy Sep 24, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

DateVendorQtyUnit costAmountBuyerReference
Sep 24, 2026Milwaukee Valve Co, Inc 76364$5,587DlaSPE7M326V4785 » Award/Basic Package View

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 1 buy on record in total.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on 803-4384536.

Request 803-4384536

No account needed. Goes to the sellers who carry this number or its family.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price
$334.45
Unit of issue
EA
Acquisition advice
Z — Insurance item
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Nominal Pipe Size Accommodated
ALL ENDS INCHES 0.750
Flow Control Device
DISK
Bonnet Type
INSIDE SCREW
Bonnet Attachment Method
THREADED
Renewable Seat Ring Type
THREADED
Valve Operation Method
MANUAL
Connection Type
ALL ENDS UNTHREADED INTERNAL PIPE
Mounting Position
HORIZONTAL
Features Provided
BONNET PACKING
Operating Pressure
SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 200.0
Special Features
VALVE SIZE 0.750 IN.
Material
BODY COPPER ALLOY 922
Material
STEM NICKEL ALLOY R-405
Material
SEAT NICKEL ALLOY R-405
Material
FLOW CONTROL DEVICE NICKEL ALLOY R-405
Material Document And Classification
BODY FED SPEC SINGLE MATERIAL RESPONSE QQ-C-390,ALLOY D4
Material Document And Classification
STEM MIL SPEC SINGLE MATERIAL RESPONSE -IL-N-894,CLASS B- CANCELED
Material Document And Classification
SEAT MIL SPEC SINGLE MATERIAL RESPONSE -IL-N-894,CLASS B- CANCELED
Material Document And Classification
FLOW CONTROL DEVICE MIL SPEC SINGLE MATERIAL RESPONSE -IL-N-894,CLASS B- CANCELED
Media For Which Designed
SINGLE RESPONSE STEAM
Test Data Document
SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE

Related stock numbers

Other NSNs filed under the same part numbers.

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.

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