Home · NSN 00-645-3390

NSN 00-645-3390 — Transformer,Audio Frequency

NIIN 00-645-3390 · unit of issue EA · AAC X (semi-active, no procurement planned) · source of supply SMS

NSN 00-645-3390 is the national stock number for a transformer,audio frequency. It cross-references to 2 manufacturer part numbers from 3 CAGE codes, including Rca Corp Distributor And Special Products Div, Emerson Electric Co White-Rodgers Div, Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin; the primary is 15981. The unit of issue is EA and the FLIS list price is $17.83.

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 3 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
B949369-1	21921	Rca Corp Distributor And Special Products Div	3 · Design control (vendor)	9 · Reference only
15981	80089	Emerson Electric Co White-Rodgers Div	5 · Secondary reference	9 · Reference only
B949369-1	49671	Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin	5 · Secondary reference	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 15981.

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

DLA management data

FLIS unit price: $17.83
Unit of issue: EA
Acquisition advice: X — Semi-active, no procurement planned
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 1.062
Center To Center Distance Between Mounting Facilities Parallel To Width: SINGLE MOUNTING FACILITY SINGLE CENTER GROUP INCHES NOMINAL 1.062
Transformer Function: LINE
Impedance Rating In Ohms: SINGLE COMPONENT SINGLE PRIMARY NOMINAL 11000.0
Impedance Rating In Ohms: SINGLE COMPONENT SINGLE SECONDARY NOMINAL 15.0
Frequency Rating: SINGLE COMPONENT HERTZ MINIMUM 300.0 AND KILOHERTZ MAXIMUM 8.0
Maximum Transformer Power Rating: SINGLE COMPONENT WATTS 10.0
Primary To Secondary Turn Ratio: 1 TO 27
Body Length: INCHES NOMINAL 1.641
Body Width: INCHES NOMINAL 1.641
Body Height: INCHES NOMINAL 2.453
Inclosure Type: HERMETICALLY SEALED
Mounting Facility Quantity: 4
Mounting Method: SINGLE GROUP THREADED STUD(S)
Winding Function And Quantity: SINGLE COMPONENT PRIMARY 1 AND SECONDARY 1
Thread Quantity Per Inch: 32
Nominal Thread Size: SINGLE GROUP INCHES 0.138
Thread Series Designator: SINGLE GROUP UNIFIED NATIONAL COARSE (UNC)
Terminal Type And Quantity: TAB, SOLDER LUG 5

Related stock numbers

Other NSNs filed under the same part numbers.

00-599-2537 · O-Ring
00-834-7786 · Gear Cluster

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.