Home · NSN 00-645-1972

NSN 00-645-1972 — Transformer,Audio Frequency

NIIN 00-645-1972 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 00-645-1972 is the national stock number for a transformer,audio frequency. It cross-references to 5 manufacturer part numbers from 8 CAGE codes, including Kearfott Corporation, Magnetika Inc, United Transformer Corp Sub Of Opt Industries Inc; the primary is 146-92-1. The unit of issue is EA and the FLIS list price is $1,578.74.

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.

5

part numbers from 8 CAGEs

0

open solicitations, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 00-645-1972: 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
146-92-188818Kearfott Corporation3 · Design control (vendor)2 · Fully interchangeable
200-321-00115634Magnetika Inc5 · Secondary reference2 · Fully interchangeable
200-321-00180223United Transformer Corp Sub Of Opt Industries Inc5 · Secondary reference9 · Reference only
293-2D1600752L3harris Technologies, Inc.5 · Secondary reference9 · Reference only
293-2D1614632Drs Signal Solutions, Inc.5 · Secondary reference9 · Reference only
A2115634Magnetika Inc5 · Secondary reference2 · Fully interchangeable
A2153342Opt Industries Inc Div Of Electronika Inc5 · Secondary reference9 · Reference only
A2180223United Transformer Corp Sub Of Opt Industries Inc5 · Secondary reference9 · Reference only
A211L8V1Magnetika Inc5 · Secondary reference2 · Fully interchangeable
A-2130433Trw Inc Vulcan Tools DivC1 · Not fully interchangeable

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 146-92-1.

Request 146-92-1

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
$1,578.74
Unit of issue
EA
Acquisition advice
J — Not stocked, central procurement
Source of supply
SMS
Effective
Oct 1, 2026

Item characteristics

Reliability Indicator
NOT ESTABLISHED
Center To Center Distance Between Mounting Facilities Parallel To Length
SINGLE MOUNTING FACILITY SINGLE CENTER GROUP INCHES NOMINAL 1.156
Center To Center Distance Between Mounting Facilities Parallel To Width
SINGLE MOUNTING FACILITY SINGLE CENTER GROUP INCHES NOMINAL 1.156
Impedance Rating In Ohms
SINGLE COMPONENT SINGLE SECONDARY NOMINAL 250.0 AND NOMINAL 600.0
Impedance Rating In Ohms
SINGLE COMPONENT SINGLE PRIMARY NOMINAL 250.0 AND NOMINAL 600.0
Frequency Rating
SINGLE COMPONENT HERTZ MINIMUM 30.0 AND KILOHERTZ MAXIMUM 30.0
Maximum Transformer Power Rating
SINGLE COMPONENT DECIBELS 10.0
Primary To Secondary Turn Ratio
1 TO 1
Winding Shielding Method
SINGLE COMPONENT INTERNAL SHIELD GROUNDED TO INCLOSURE AND BROUGHT OUT TO TERMINAL
Body Length
INCHES NOMINAL 1.500
Body Width
INCHES NOMINAL 1.500
Body Height
INCHES NOMINAL 2.000
Inclosure Type
FULLY INCLOSED
Mounting Facility Quantity
4
Mounting Method
SINGLE GROUP FLANGE AND UNTHREADED HOLE(S)
Winding Function And Quantity
SINGLE COMPONENT PRIMARY 1 AND SECONDARY 1
Terminal Type And Quantity
STANDOFF, SOLDER LUG 7

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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