Home · NSN 00-556-8503

NSN 00-556-8503 — Transformer,Power

NIIN 00-556-8503 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 00-556-8503 is the national stock number for a transformer,power. It cross-references to 4 manufacturer part numbers from 4 CAGE codes, including General Electric Co Specialty Transformer Dept, Naval Air Warfare Center Aircraft Division, Lakehurst, Thordarson Inc; the primary is 515340-3. The unit of issue is EA and the FLIS list price is $1,579.12.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 30 days; watching the number is free and the first listing triggers an alert.

part numbers from 4 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
9T58B1800	03512	General Electric Co Specialty Transformer Dept	3 · Design control (vendor)	9 · Reference only
515340-3	80020	Naval Air Warfare Center Aircraft Division, Lakehurst	5 · Secondary reference	2 · Fully interchangeable
62683	96256	Thordarson Inc	5 · Secondary reference	2 · Fully interchangeable
9T56Y1800	24446	General Electric Company	5 · Secondary reference	2 · Fully interchangeable
9T56Y1800	03512	General Electric Co Specialty Transformer Dept	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 515340-3.

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

DLA management data

FLIS unit price: $1,579.12
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Overall Length: INCHES MAXIMUM 3.875
Center To Center Distance Between Mounting Facilities Parallel To Length: SINGLE MOUNTING FACILITY SINGLE CENTER GROUP INCHES NOMINAL 2.156
Center To Center Distance Between Mounting Facilities Parallel To Width: SINGLE MOUNTING FACILITY SINGLE CENTER GROUP INCHES NOMINAL 2.500
Frequency Rating: SINGLE COMPONENT HERTZ NOMINAL 60.0
Input-Output Phase Relationship: SINGLE COMPONENT SINGLE PHASE TO SINGLE PHASE
Maximum Transformer Power Rating: SINGLE COMPONENT KILOVOLT-AMPERE 0.025
Body Width: INCHES MAXIMUM 3.000
Body Height: INCHES MAXIMUM 3.187
Inclosure Type: OPEN
Mounting Facility Quantity: 4
Mounting Method: SINGLE GROUP BRACKET(S) AND SLOT
Winding Function And Quantity: SINGLE COMPONENT PRIMARY 2 AND SECONDARY 2
Winding Operating Voltage: SINGLE COMPONENT ALL SECONDARY AC VOLTS MAXIMUM 240.00
Winding Operating Voltage: SINGLE COMPONENT ALL PRIMARY AC VOLTS MAXIMUM 480.00
Terminal Type And Quantity: TAB, SOLDER LUG 8

Related stock numbers

Other NSNs filed under the same part numbers.

00-374-7315 · Pump,Rotary
01-465-5346 · Punch,Drive Pin

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.