Acquisition method (AMC)
3
FSC 4520 × HEATING ELEMENT,ELECTRICAL,IMMER
HEATING ELEMENT,ELECTRICAL,IMMER
4520-01-503-6626 FSC 4520
NSN 4520-01-503-6626 (also written 4520015036626; NIIN 01-503-6626) is a heating element, electrical, immer in Federal Supply Class 4520, Space and Water Heating Equipment. 3 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
P
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC P: the government does not own the rights to the data needed for more sources. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| MOUNTING METHOD STYLE AALX | — |
| BODY STYLE AAQL | — |
| TERMINAL QUANTITY AARA | 48 |
| HOLE DIAMETER AAUB | INCHES NOMINAL 0.875 |
| OVERALL LENGTH ABHP | INCHES NOMINAL 31.394 |
| ELEMENT RADIATION SPECTRUM ABJA | NONINFRARED |
| HEAT CONTROL TYPE ABJM | THERMOCOUPLE |
| ELEMENT CONNECTION STYLE ABJS | — |
| TERMINAL LENGTH ABJT | INCHES NOMINAL 1.250 |
| BOLT CIRCLE DIAMETER ABKG | INCHES NOMINAL 11.750 |
| FLANGE DIAMETER ABKK | INCHES NOMINAL 13.500 |
| HOLE OR SLOT QUANTITY ABKT | 8 |
| FLANGE THICKNESS ABKU | INCHES NOMINAL 1.125 |
| HEAT QUANTITY ABNR | 1 |
| WATT DENSITY RATING ABNS | SINGLE VOLTAGE PER SQUARE INCH 13.0 |
| CONDUIT OPENING SIZE ABNT | INCHES MINIMUM 0.750 AND INCHES MAXIMUM 1.500 |
| LENGTH ABRY | INCHES MINIMUM 23.500 AND INCHES MAXIMUM 24.500 |
| MAXIMUM WATTAGE RATING IN WATTS AZQH | 18000.000 |
| ELEMENT QUANTITY BHHK | 24 |
| NOMINAL THREAD SIZE CQJX | MOUNTING FACILITY INCHES 0.500 |
| THREAD QUANTITY CQRN | MOUNTING FACILITY PER INCH 13 |
| VOLTAGE IN VOLTS AND CURRENT TYPE CSBH | SINGLE VOLTAGE AC 440.0 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | IMMERSION HEATER, FLANGED, REDUCTION GEAR LO SETTING TANK HEATER, (MODEL TMS-2418E4XXI) 440V, 18KW, 1-3PH, 13WPSI |
| PHASE FAAZ | SINGLE VOLTAGE SINGLE OR THREE |
| SPECIAL FEATURES FEAT | CAPACITY:HEATS 800 GALLONS OF 2190 TLP FROM 38 DEG C TO 79 DEG C IN 5 HOURS; HIGH SHOCK RESISTANCE AND ENVIRONMENT VIBRATION RESISTANCE |
| MATERIAL MATT | SHEATH STEEL COMP 304L |
| THREAD SERIES DESIGNATOR THSD | MOUNTING FACILITY UNIFIED NATIONAL COARSE (UNC) |
| MATERIAL MATT | RESISTANCE WIRE NICKEL ALLOY E |
| FREQUENCY IN HERTZ FREQ | 60.0 |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 073098-005 | 07131 | CHROMALOX INC |
| 155-073098-005 REV 1 | 07131 | CHROMALOX INC |
| 155-073098-005 REV 4 | 07131 | CHROMALOX INC |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
—
Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
No related contract actions on record.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE8E8-26-T-5167 | Aug 14, 2026 | Aug 24, 2026 | 1 | Expired | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "HEATING ELEMENT,ELECTRICAL,IMMER." nsnexplorer.com, https://nsnexplorer.com/nsn/4520-01-503-6626/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4520-01-503-6626/