Acquisition method (AMC)
1
FSC 4120 × ENVIRONMENTAL CONTROL SYSTEM
ENVIRONMENTAL CONTROL SYSTEM
4120-01-551-9191 FSC 4120
NSN 4120-01-551-9191 (also written 4120015519191; NIIN 01-551-9191) is an environmental control system in Federal Supply Class 4120, Air Conditioning Equipment. 4 manufacturer part numbers from 3 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 as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
P
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, 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 |
|---|---|
| END ITEM IDENTIFICATION AGAV | FAMILY OF MEDIUM TACTICAL VEHICLES (FMTV),5TON |
| SPECIAL FEATURES FEAT | 48K BTU COOLING/20K BTU HEATING,208-230VAC,3PHASE,50/60HZ,R134A CHARGE 10LB 8OZ (168 OUNCES) |
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 |
|---|---|---|
| 12443857-001 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
| 2K48AF6AH-MIL | 0WJE1 | HDT EXPEDITIONARY SYSTEMS INC |
| 86301-477 | 80298 | AAR MANUFACTURING, INC. DBA AAR MOBILITY SYSTEMS |
| KS4853CAAFHMX | 0WJE1 | HDT EXPEDITIONARY SYSTEMS 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
$52,000.00
Purchases
2
Total spend
$104,000
Oct 15, 2026
Last purchased
6 · 6.0/yr
Purchase records
$312,000
Total demand
$52,000.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 13, 2026 | 1 | $52,000.00 | $52,000 | WINDWARD ENTERPRISES, LLC (0UKB6) | Unknown | Source ↗ |
| Oct 9, 2026 | 1 | $52,000.00 | $52,000 | WINDWARD ENTERPRISES, LLC (0UKB6) | 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 8, 2026 | SPE8E827V0037 ↗ | WINDWARD ENTERPRISES, LLC | — | $52,000 |
| Oct 9, 2026 | SPE8E827V0040 ↗ | WINDWARD ENTERPRISES, LLC | — | $52,000 |
| Oct 13, 2026 | SPE8E827V0050 ↗ | WINDWARD ENTERPRISES, LLC | — | $52,000 |
| Oct 15, 2026 | SPE8E827V0065 ↗ | WINDWARD ENTERPRISES, LLC | — | $52,000 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 4 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
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 12 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
WINDWARD ENTERPRISES, LLC
last award Oct 2026
AAR MANUFACTURING, INC. DBA AAR MOBILITY SYSTEMS
no award yet
no awards on record
Listed source HDT EXPEDITIONARY SYSTEMS INC
no award yet
no awards on record
Listed source U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
no award yet
no awards on record
Listed source WINDWARD ENTERPRISES, LLC won 2 of the last 2 awards. WINDWARD ENTERPRISES, LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE8E8-26-T-5765 | Sep 30, 2026 | Oct 13, 2026 | 1 | Expired | View at DIBBS → |
| SPE8E8-26-T-5764 | Sep 29, 2026 | Oct 9, 2026 | 1 | Expired | View at DIBBS → |
| SPE8E8-26-T-5695 | Sep 18, 2026 | Sep 28, 2026 | 1 | Cancelled | View at DIBBS → |
| SPE8E8-26-T-5581 | Sep 15, 2026 | Sep 25, 2026 | 1 | 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: 2026-10-16.
- Full methodology →
Cite this page
Citation
NSN Explorer. "ENVIRONMENTAL CONTROL SYSTEM." nsnexplorer.com, https://nsnexplorer.com/nsn/4120-01-551-9191/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4120-01-551-9191/