Home · FSC 4820 Valves, Nonpowered · NSN 4820-01-184-4107

NSN 4820-01-184-4107 — Valve,Safety Relief

NIIN 01-184-4107 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 4820-01-184-4107 is the national stock number for a valve,safety relief in federal supply class 4820 (Valves, Nonpowered). It cross-references to 3 manufacturer part numbers from 2 CAGE codes, including Emerson Automation Solutions Final Control Us Lp, Anderson Greenwood Lp Dba Anderson Greenwood Crosby; the primary is 20338. The unit of issue is EA and the FLIS list price is $149,108.69.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on August 28, 2026 for $106,888 from Asrc Federal Facilities Logistics LLC. 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.

3

part numbers from 2 CAGEs

0

open solicitations, all agencies

1

government buy in 24 months

0

sellers with confirmed stock

Watch NSN 4820-01-184-4107: 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
20338L41SS15187Emerson Automation Solutions Final Control Us Lp3 · Design control (vendor)2 · Fully interchangeable
2033801S007615187Emerson Automation Solutions Final Control Us Lp5 · Secondary reference2 · Fully interchangeable
20338L41SS01343Anderson Greenwood Lp Dba Anderson Greenwood Crosby5 · Secondary reference9 · Reference only
2033801343Anderson Greenwood Lp Dba Anderson Greenwood CrosbyD9 · Reference only

Government demand

Nothing open right now. Last government buy Aug 28, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

DateVendorQtyUnit costAmountBuyerReference
Aug 28, 2026Asrc Federal Facilities Logistics LLC 8FBE7$106,888DlaSPE7M124P4833

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 20338.

Request 20338

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
$149,108.69
Unit of issue
EA
Acquisition advice
Z — Insurance item
Source of supply
SMS
Effective
Dec 1, 2025

Item characteristics

Flow Control Device
DISK
Bonnet Type
INSIDE SPRING
Bonnet Attachment Method
BOLTED
Bolt Hole Quantity
4
End Item Identification
SHIP,OHIO CLASS SSN(TRIDENT)
Valve Operation Method
AUTOMATIC
Flange Shape
ALL ENDS ROUND WITH HOLES
Connection Type
ALL ENDS FLANGE
Valve Size
INCHES 2.000
Adjustable Pressure Range
POUNDS PER SQUARE INCH 76.0 TO 90.0
Operating Pressure
SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 150.0
Face To Face Distance
INCHES 4.750
Nominal Thickness
ALL ENDS INCHES 0.750
Bolt Hole Nominal Diameter
ALL ENDS INCHES 0.750
Bolt Circle Nominal Diameter
ALL ENDS INCHES 4.750
Material
STEM STEEL COMP 316
Material
BODY STEEL

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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