Acquisition method (AMC)
3
FSC 4520 × CONTROL BOX,OPERATO
CONTROL BOX,OPERATO
4520-01-539-7164 FSC 4520
NSN 4520-01-539-7164 (also written 4520015397164; NIIN 01-539-7164) is a control box, operato in Federal Supply Class 4520, Space and Water Heating Equipment. 1 manufacturer part number from 1 supplier is on record. The government has 2 open solicitations for it.
Open for bid
2 open solicitations on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE8E8-27-T-0421 | 1 | Closes in 2d | Bid → |
| SPE8E8-27-T-0480 | 36 | Closes in 9d | Bid → |
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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.
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 |
|---|---|---|
| 40405 | 92878 | 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
$6,720.00
Purchases
1
Total spend
$94,080
Sep 22, 2026
Last purchased
2 · 2.0/yr
Purchase records
$188,160
Total demand
$6,720.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | 14 | $6,720.00 | $94,080 | 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 |
|---|---|---|---|---|
| Sep 22, 2026 | SPE8E826P1548 ↗ | WINDWARD ENTERPRISES, LLC | — | $94,080 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 3 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
WINDWARD ENTERPRISES, LLC
last award Sep 2026
HDT EXPEDITIONARY SYSTEMS INC
no award yet
no awards on record
Listed source WINDWARD ENTERPRISES, LLC won the only award on record. WINDWARD ENTERPRISES, LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE8E8-27-T-0480 | Nov 4, 2026 | Nov 16, 2026 | 36 | Open | View at DIBBS → |
| SPE8E8-27-T-0421 | Oct 29, 2026 | Nov 9, 2026 | 1 | Open | View at DIBBS → |
| SPE8E8-26-T-5322 | Aug 26, 2026 | Sep 8, 2026 | 14 | 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: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "CONTROL BOX,OPERATO." nsnexplorer.com, https://nsnexplorer.com/nsn/4520-01-539-7164/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4520-01-539-7164/