Acquisition method (AMC)
1
FSC 4520 × HEATER,SPACE
HEATER,SPACE
4520-01-478-9207 FSC 4520
NSN 4520-01-478-9207 (also written 4520014789207; NIIN 01-478-9207) is a heater, space in Federal Supply Class 4520, Space and Water Heating Equipment. 2 manufacturer part numbers from 1 supplier 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 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 | FLOOR SURFACE, FREE STANDING, NONDUCTED |
| CIRCULATED AIR TYPE ABBE | HEATED |
| WIDTH ABGL | INCHES NOMINAL 9.000 |
| DEPTH AEJZ | INCHES NOMINAL 17.500 |
| OPERATING CONTROL TYPE ALYC | HAND SWITCH |
| HEATING ELEMENT TYPE BDXJ | BURNER |
| IGNITION METHOD BLJC | MANUAL |
| HEAT DELIVERY RATE CQXD | BRITISH THERMAL UNIT 12000.0 |
| FUEL FEED METHOD CSGC | GRAVITY |
| SPECIAL FEATURES FEAT | ADDITION TO THE FAMILY OF SPACE HEATERS (FOSH), THE SPACE HEATER SMALL (SHS) IS A 12K BTU HEATER THAT IS DESIGNED TO PROVIDE HEAT FOR THE SOLDIER CREW TENT (5-MAN TENT) AND OTHER SMALL TENTAGE WITH FLOOR AREA BETWEEN 80 AND 100 SQUARE FEET. THE SHS OPERATES WITHOUT THE USE OF ELECTRICAL POWER AND IS LIGHT WEIGHT (20 LBS). FOR USE IN MODERATE TO ARCTIC CONDITIONS, ALSO FUNCTIONS AS FOOD WARMER. SEE ARMY OPERATOR'S MANUAL TM-10-4520-263-12&P. |
| FUEL TYPE FUEL | DF-A ARCTIC DIESEL FUEL OIL OR DF-1 WINTER DIESEL FUEL OIL OR DF-2 REGULAR DIESEL FUEL OIL OR KEROSENE |
| HEIGHT HGTH | INCHES NOMINAL 13.700 |
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 |
|---|---|---|
| MIL-PRF-32197 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| SHS | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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
$1,095.00
Purchases
1
Total spend
$219,000
Oct 1, 2026
Last purchased
2 · 2.0/yr
Purchase records
$438,000
Total demand
$1,095.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | 200 | $1,095.00 | $219,000 | INTERNATIONAL THERMAL RESEARCH LTD DBA ITR (3AN82) | 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 |
|---|---|---|---|---|
| Oct 1, 2026 | SPE8E827P0022 ↗ | INTERNATIONAL THERMAL RESEARCH LTD DBA ITR | — | $219,000 |
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.
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
INTERNATIONAL THERMAL RESEARCH LTD DBA ITR
last award Oct 2026
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 INTERNATIONAL THERMAL RESEARCH LTD DBA ITR won the only award on record. INTERNATIONAL THERMAL RESEARCH LTD DBA ITR won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE8E8-27-T-0045 | Oct 2, 2026 | Oct 13, 2026 | 100 | Expired | View at DIBBS → |
| SPE8E8-26-T-5085 | Aug 6, 2026 | Aug 17, 2026 | 200 | 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.
- Data last refreshed: 2026-10-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "HEATER,SPACE." nsnexplorer.com, https://nsnexplorer.com/nsn/4520-01-478-9207/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4520-01-478-9207/