Acquisition method (AMC)
1
FSC 4520 × HEATER,DUCT TYPE,STATIONARY
HEATER,DUCT TYPE,STATIONARY
4520-01-260-3257 FSC 4520
NSN 4520-01-260-3257 (also written 4520012603257; NIIN 01-260-3257) is a heater, duct type, stationary in Federal Supply Class 4520, Space and Water Heating Equipment. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Sep 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 TYPE AAXX | VENTILATION DUCT |
| HEAT MEDIUM TYPE ABAM | AIR |
| WIDTH ABGL | INCHES NOMINAL 52.000 |
| CURRENT TYPE ACDC | AC |
| DEPTH AEJZ | INCHES NOMINAL 8.000 |
| CURRENT RATING IN AMPS AMPS | 3.6 |
| HEATING ELEMENT TYPE BDXJ | ELECTRIC NONIMMERSION |
| HEAT DELIVERY RATE CQXD | BRITISH THERMAL UNIT 343248.0 |
| VOLTAGE IN VOLTS ELEC | 440.0 |
| PHASE FAAZ | THREE |
| FREQUENCY IN HERTZ FREQ | 60.0 |
| HEIGHT HGTH | INCHES NOMINAL 39.125 |
| SPECIFICATION/STANDARD DATA ZZZK | GOVERNMENT SPECIFICATION 81349--IL-H-22594 |
| NONDEFINITIVE SPEC/STD DATA ZZZT | TYPE - AND SIZE 37EH |
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 |
|---|---|---|
| 106-056816-000 | 65586 | CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC |
| 106-056816-053 | 64486 | TURBINE ENGINE COMPONENTS TECHNOLOGIES CORP |
| EH37-M | 17032 | VALAD ELECTRIC HEATING CORP. |
| MIL-H-22594 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| TFZ-37M | 74924 | INDEECO LLC DBA INDEECO |
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
—
Sep 24, 2026
Last purchased
1 · 1.0/yr
Purchase records
$11,000
Total demand
$11,000
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Sep 24, 2026 | SPE8E926P1525 ↗ | INTEGRATED PROCUREMENT TECHNOLOGIES | — | $11,000 |
Demand history
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
INTEGRATED PROCUREMENT TECHNOLOGIES
last award Sep 2026
CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC
no award yet
no awards on record
Listed source INDEECO LLC DBA INDEECO
no award yet
no awards on record
Listed source MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source TURBINE ENGINE COMPONENTS TECHNOLOGIES CORP
no award yet
no awards on record
Listed source VALAD ELECTRIC HEATING CORP.
no award yet
no awards on record
Listed source INTEGRATED PROCUREMENT TECHNOLOGIES won the only award on record. INTEGRATED PROCUREMENT TECHNOLOGIES won without being a listed source.
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: 2026-09-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "HEATER,DUCT TYPE,STATIONARY." nsnexplorer.com, https://nsnexplorer.com/nsn/4520-01-260-3257/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4520-01-260-3257/