Acquisition method (AMC)
3
FSC 4520 × HEATING ELEMENT,ELECTRICAL,IMMER
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-300-7805 FSC 4520
NSN 4520-00-300-7805 (also written 4520003007805; NIIN 00-300-7805) is a heating element, electrical, immer in Federal Supply Class 4520, Space and Water Heating Equipment. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Oct 2026.
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)
H
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC H: the government lacks sufficient, accurate or legible data to buy from other 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 |
|---|---|
| LENGTH ABRY | INCHES NOMINAL 13.562 |
| ELEMENT CONNECTION STYLE ABJS | — |
| FLANGE DIAMETER ABKK | INCHES NOMINAL 6.000 |
| MOUNTING FACILITY WIDTH ABKS | INCHES NOMINAL 0.375 |
| TERMINAL QUANTITY AARA | 2 |
| ELEMENT RADIATION SPECTRUM ABJA | NONINFRARED |
| BODY STYLE AAQL | — |
| OVERALL LENGTH ABHP | INCHES NOMINAL 16.750 |
| ELEMENT QUANTITY BHHK | 3 |
| VOLTAGE IN VOLTS AND CURRENT TYPE CSBH | SINGLE VOLTAGE AC 440.0 |
| FREQUENCY IN HERTZ FREQ | 60.0 |
| MATERIAL MATT | SHEATH COPPER ALLOY |
| TERMINAL LENGTH ABJT | INCHES NOMINAL 1.688 |
| MAXIMUM WATTAGE RATING IN WATTS AZQH | 20000.0 |
| PHASE FAAZ | SINGLE VOLTAGE THREE |
| EFFECTIVE HEATING LENGTH ABHS | INCHES NOMINAL 13.563 |
| HOLE DIAMETER AAUB | INCHES NOMINAL 0.250 |
| HOLE OR SLOT QUANTITY ABKT | 6 |
| MOUNTING METHOD STYLE AALX | — |
| HEAT QUANTITY ABNR | 1 |
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 |
|---|---|---|
| 155-116078-003 | 65586 | CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC |
| F20440CES | 19857 | THE ELECTRIC HEATER CO DBA HUBBELL ELECTRIC HEATER CO. |
| TA17723-11 | 55581 | TAMCO, INC. DBA TECHNICAL ASSISTANCE COMPANY DIV TECHNICAL ASSISTANCE COMPANY |
| TA17723-11 | 5RA73 | INTELLIWORKS HT |
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
$4,538.85
Purchases
2
Total spend
$22,694
Oct 7, 2026
Last purchased
4 · 4.0/yr
Purchase records
$45,389
Total demand
$4,538.85
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 7, 2026 | 2 | $4,538.85 | $9,078 | PIONEER INDUSTRIES, LLC (66200) | Unknown | Source ↗ |
| Aug 31, 2026 | 3 | $4,538.85 | $13,617 | PIONEER INDUSTRIES, LLC (66200) | Unknown | Source ↗ |
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Aug 31, 2026 | SPE8E926V2230 ↗ | PIONEER INDUSTRIES, LLC | — | $13,617 |
| Oct 7, 2026 | SPE8E927V0058 ↗ | PIONEER INDUSTRIES, LLC | — | $9,078 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 8 days from posting to award.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
PIONEER INDUSTRIES, LLC
last award Oct 2026
CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC
no award yet
no awards on record
Listed source INTELLIWORKS HT
no award yet
no awards on record
Listed source TAMCO, INC. DBA TECHNICAL ASSISTANCE COMPANY DIV TECHNICAL ASSISTANCE COMPANY
no award yet
no awards on record
Listed source THE ELECTRIC HEATER CO DBA HUBBELL ELECTRIC HEATER CO.
no award yet
no awards on record
Listed source PIONEER INDUSTRIES, LLC won 2 of the last 2 awards. PIONEER INDUSTRIES, LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE8E9-27-T-0018 | Oct 2, 2026 | Oct 13, 2026 | 2 | Expired | View at DIBBS → |
| SPE8E9-26-T-3500 | Aug 20, 2026 | Aug 31, 2026 | 3 | Cancelled | 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.
- Data last refreshed: 2026-10-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "HEATING ELEMENT,ELECTRICAL,IMMER." nsnexplorer.com, https://nsnexplorer.com/nsn/4520-00-300-7805/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4520-00-300-7805/