Acquisition method (AMC)
3
FSC 4420 × RISER,STEAM,HEATER
RISER,STEAM,HEATER
4420-01-168-6371 FSC 4420
NSN 4420-01-168-6371 (also written 4420011686371; NIIN 01-168-6371) is a riser, steam, heater in Federal Supply Class 4420, Heat Exchangers and Steam Condensers. 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
L
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC L: annual buy value is below the screening threshold. 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 | AERCO INTERNATIONAL HEATER MODEL SW1B06 |
| GENERAL CHARACTERISTICS ITEM DESCRIPTION TEXT | 32.875 IN. O/A LG; 6 HOLES DRILLED 0.812 DIA; ONE END THREADED 2-11 1/2 NPT; SECOND END HAS 2.092 IN. INTERNAL SOCKET SPACED 0.500 IN. FROM END |
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 |
|---|---|---|
| NAVY-8559 | 95368 | AERCO INTERNATIONAL, INC. DBA AERCO INTERNATIONAL INC |
| RB-546 | 95368 | AERCO INTERNATIONAL, INC. DBA AERCO INTERNATIONAL 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
—
Purchases
0
Total spend
—
Oct 28, 2026
Last purchased
1 · 1.0/yr
Purchase records
$20,067
Total demand
$20,067
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 |
|---|---|---|---|---|
| Oct 28, 2026 | SPE8E927P0121 ↗ | PIONEER INDUSTRIES, LLC | — | $20,067 |
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
PIONEER INDUSTRIES, LLC
last award Oct 2026
AERCO INTERNATIONAL, INC. DBA AERCO INTERNATIONAL INC
no award yet
no awards on record
Listed source PIONEER INDUSTRIES, LLC won the only award on record. PIONEER INDUSTRIES, LLC 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 Nov 1, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-01.
- Full methodology →
Cite this page
Citation
NSN Explorer. "RISER,STEAM,HEATER." nsnexplorer.com, https://nsnexplorer.com/nsn/4420-01-168-6371/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4420-01-168-6371/