Acquisition method (AMC)
3
FSC 1660 × HOUSING,PUMP
HOUSING,PUMP
1660-00-345-4503 FSC 1660
NSN 1660-00-345-4503 (also written 1660003454503; NIIN 00-345-4503) is a housing, pump in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 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)
R
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 |
|---|---|
| GENERAL CHARACTERISTICS ITEM DESCRIPTION TEXT | CRES;PASSIVATED |
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 |
|---|---|---|
| 135122 | 0SML3 | AERO INTERNATIONAL, LLC DBA AMS ENGINEERED SOLUTIONS |
| 135122 | 64547 | HONEYWELL INTERNATIONAL, INC |
| 135122 | 70210 | HONEYWELL INTERNATIONAL INC. |
| 135122 | 72599 | ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO |
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
$7,272.98
Purchases
1
Total spend
$7,273
Sep 28, 2026
Last purchased
2 · 2.0/yr
Purchase records
$14,546
Total demand
$7,272.98
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | 1 | $7,272.98 | $7,273 | AERO INTERNATIONAL, LLC DBA AMS ENGINEERED SOLUTIONS (0SML3) | 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 28, 2026 | SPE4A124G0016/SPE4A526F9816 ↗ | AERO INTERNATIONAL, LLC DBA AMS ENGINEERED SOLUTIONS | — | $7,273 |
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
AERO INTERNATIONAL, LLC DBA AMS ENGINEERED SOLUTIONS
last award Sep 2026
ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
no award yet
no awards on record
Listed source HONEYWELL INTERNATIONAL INC.
no award yet
no awards on record
Listed source HONEYWELL INTERNATIONAL, INC
no award yet
no awards on record
Listed source AERO INTERNATIONAL, LLC DBA AMS ENGINEERED SOLUTIONS won the only award on record.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A5-26-T-458H | Sep 21, 2026 | Sep 28, 2026 | 1 | 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. "HOUSING,PUMP." nsnexplorer.com, https://nsnexplorer.com/nsn/1660-00-345-4503/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/1660-00-345-4503/