Home · NSN 00-549-0158

NSN 00-549-0158 — Switch,Thermostatic

NIIN 00-549-0158 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 00-549-0158 is the national stock number for a switch,thermostatic. It cross-references to 2 manufacturer part numbers from 4 CAGE codes, including Northrop Grumman Systems Corporation, Northrop Grumman Systems Corporation Div Es Defensive Systems Division, Scomill Inc; the primary is B3221-5. The unit of issue is EA and the FLIS list price is $25.79.

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.

2

part numbers from 4 CAGEs

0

open solicitations, all agencies

0

government buys in 24 months

0

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 numberCAGEManufacturerReferenceVariation
B3221-526916Northrop Grumman Systems Corporation3 · Design control (vendor)2 · Fully interchangeable
B3221-515280Northrop Grumman Systems Corporation Div Es Defensive Systems Division3 · Design control (vendor)9 · Reference only
B3221-555631Scomill Inc5 · Secondary reference9 · Reference only
M5193410Essex Group Inc Controls Div Lexington Plant5 · Secondary reference9 · 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 B3221-5.

Request B3221-5

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
$25.79
Unit of issue
EA
Acquisition advice
J — Not stocked, central procurement
Source of supply
SMS
Effective
Oct 1, 2026

Item characteristics

Overall Length
INCHES NOMINAL 1.375
Overall Height
INCHES NOMINAL 1.047
Body Diameter
INCHES NOMINAL 0.750
Overall Diameter
INCHES NOMINAL 0.766
Distance Between Mounting Facility Centers
INCHES NOMINAL 1.125
Temp Sensing Element Type
INTERNAL SENSOR
Operating Temp Rating
FAHRENHEIT MINIMUM -80.0 AND FAHRENHEIT MAXIMUM 300.0
Mounting Method
BRACKET(S)
Contact Action Stimulus
INCREASE
Mounting Facility Pattern
TWO POSITION IN-LINE
Nonpile-Up Contact Arrangement
POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION 1
Terminal Type
TAB, SOLDER LUG
Contact Load Current Rating
SINGLE VOLTAGE AMPERES RESISTIVE LOAD 8.0
Contact Adjustability
DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Contact Stimulus Rating
ACTUATION POINT MINIMUM DEGREES FAHRENHEIT 170.00 AND ACTUATION POINT MAXIMUM DEGREES FAHRENHEIT 180.00 AND DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT 150.00
Contact Voltage Rating In Volts
SINGLE VOLTAGE AC AT SEA LEVEL 125.0
Frequency In Hertz
400.0

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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