Acquisition method (AMC)
1
FSC 1660 × VALVE ASSEMBLY,O,YG
VALVE ASSEMBLY,O,YG
1660-00-083-3506 FSC 1660
NSN 1660-00-083-3506 (also written 1660000833506; NIIN 00-083-3506) is a valve assembly, o, yg 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 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)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 |
|---|---|---|
| 128SCEC139-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 128SCEC139-1 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS |
| 128SCEC139-1 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 311000-1 | 83533 | ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION |
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 14, 2026
Last purchased
1 · 1.0/yr
Purchase records
$22,408
Total demand
$22,408
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 14, 2026 | SPE4A222D0011/SPE4AX27F0856 ↗ | AEROFORCE LOGISTICS LLC | — | $22,408 |
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
AEROFORCE LOGISTICS LLC
last award Oct 2026
ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION
no award yet
no awards on record
Listed source NORTHROP GRUMMAN SYSTEMS CORPORATION
no award yet
no awards on record
Listed source NORTHROP GRUMMAN SYSTEMS CORPORATION
no award yet
no awards on record
Listed source NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS
no award yet
no awards on record
Listed source AEROFORCE LOGISTICS LLC won the only award on record. AEROFORCE LOGISTICS 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 Oct 15, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-15.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE ASSEMBLY,O,YG." nsnexplorer.com, https://nsnexplorer.com/nsn/1660-00-083-3506/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/1660-00-083-3506/