Home · NSN 01-442-8259

NSN 01-442-8259 — Valve,Safety Relief

NIIN 01-442-8259 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-442-8259 is the national stock number for a valve,safety relief. 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 20381. The unit of issue is EA and the FLIS list price is $47,542.30.

No government purchase of this stock number is on our record yet. 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.

part numbers from 2 CAGEs

open solicitations, all agencies

government buys in 24 months

sellers with confirmed stock

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Cross-references

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

Part number	CAGE	Manufacturer	Reference	Variation
2038101E0005	15187	Emerson Automation Solutions Final Control Us Lp	3 · Design control (vendor)	2 · Fully interchangeable
20381 ASSY 2038101E0005	01343	Anderson Greenwood Lp Dba Anderson Greenwood Crosby	5 · Secondary reference	9 · Reference only
20381 ASSY 2038101E0005	15187	Emerson Automation Solutions Final Control Us Lp	5 · Secondary reference	2 · Fully interchangeable
2038101E0005	01343	Anderson Greenwood Lp Dba Anderson Greenwood Crosby	5 · Secondary reference	9 · Reference only
20381	01343	Anderson Greenwood Lp Dba Anderson Greenwood Crosby	D	9 · Reference only

Government demand

Nothing open right now. Watch this NSN and we will email you when it is solicited.

What the government paid

No government purchase on record for this NSN.

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.

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 20381.

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

DLA management data

FLIS unit price: $47,542.30
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Flow Control Device: DISK
Bonnet Type: INSIDE SPRING
Bonnet Attachment Method: BOLTED
Disk Loading Method: SPRING
Bolt Hole Quantity: 4
Maximum Operating Temp: SECOND RESPONSE FAHRENHEIT 45.0
Maximum Operating Temp: FIRST RESPONSE FAHRENHEIT 100.0
End Item Identification: WASP CLASS LHD
Valve Operation Method: AUTOMATIC
Flange Shape: ALL ENDS ROUND WITH HOLES
Connection Type: ALL ENDS FLANGE
Valve Size: INCHES 0.500
Operating Pressure: SECOND RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 185.0
Operating Pressure: FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 285.0
Opening Pressure Setting: POUNDS PER SQUARE INCH 5.0
Nominal Outside Diameter: ALL ENDS INCHES 3.500
Nominal Thickness: ALL ENDS INCHES 0.438
First Connection Face To Centerline Distance: INCHES 3.250
Bolt Hole Nominal Diameter: ALL ENDS INCHES 0.625
Second Connection Face To Centerline Distance: INCHES 3.250
Bolt Circle Nominal Diameter: ALL ENDS INCHES 2.375
Flange Face Design: ALL ENDS RAISED STRAIGHT
Raised Face Nominal Height: ALL ENDS INCHES 0.062
Raised Face Nominal Diameter: ALL ENDS INCHES 1.375

Related stock numbers

Other NSNs filed under the same part numbers.

00-281-6506 · Ring,Retaining
00-406-6634 · Safety Chain And Support
00-737-1010 · Brake Drum
00-911-2454 · Hinge,Access Door
01-194-8728 · Hinge
01-210-9629 · Parts Kit,Rotary Pump
01-211-2566 · Housing,Special
01-221-1473 · Gear,Internal

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.