Acquisition method (AMC)
3
FSC 4520 × HEATER,VENTILATION,DUCT TYPE
HEATER,VENTILATION,DUCT TYPE
4520-01-611-3958 FSC 4520
NSN 4520-01-611-3958 (also written 4520016113958; NIIN 01-611-3958) is a heater, ventilation, duct type in Federal Supply Class 4520, Space and Water Heating Equipment. 1 manufacturer part number from 1 supplier is 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)
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.
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 |
|---|---|
| PROPRIETARY CHARACTERISTICS PRPY | PACS |
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 |
|---|---|---|
| L100235 | 2L554 | ABC INDUSTRIES, INC DBA ABC INDUSTRIES OF INDIANA |
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
$1,622.00
Purchases
1
Total spend
$9,732
Oct 21, 2026
Last purchased
2 · 2.0/yr
Purchase records
$19,464
Total demand
$1,622.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 21, 2026 | 6 | $1,622.00 | $9,732 | CHASE SUPPLY, INC. DBA CHASE DEFENSE PARTNERS (1RZM1) | 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 21, 2026 | SPE8E827V0085 ↗ | CHASE SUPPLY, INC. DBA CHASE DEFENSE PARTNERS | — | $9,732 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
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
CHASE SUPPLY, INC. DBA CHASE DEFENSE PARTNERS
last award Oct 2026
ABC INDUSTRIES, INC DBA ABC INDUSTRIES OF INDIANA
no award yet
no awards on record
Listed source CHASE SUPPLY, INC. DBA CHASE DEFENSE PARTNERS won the only award on record. CHASE SUPPLY, INC. DBA CHASE DEFENSE PARTNERS won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE8E8-27-T-0182 | Oct 15, 2026 | Oct 26, 2026 | 6 | 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 15, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-23.
- Full methodology →
Cite this page
Citation
NSN Explorer. "HEATER,VENTILATION,DUCT TYPE." nsnexplorer.com, https://nsnexplorer.com/nsn/4520-01-611-3958/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4520-01-611-3958/