Acquisition method (AMC)
1
FSC 4520 × COLLAR,AIR CONDITIONING-HEATING
COLLAR,AIR CONDITIONING-HEATING
4520-01-595-4288 FSC 4520
NSN 4520-01-595-4288 (also written 4520015954288; NIIN 01-595-4288) is a collar, air conditioning-heating in Federal Supply Class 4520, Space and Water Heating Equipment. 5 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.
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)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 |
|---|---|
| OVERALL DIAMETER ADAV | INCHES NOMINAL 11.000 |
| FITTING OVERALL LENGTH CSLX | INCHES NOMINAL 1.500 |
| FITTING INSIDE DIAMETER CWMK | INCHES NOMINAL 8.000 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | FLANGE ASSEMBLY; HOSE CONNECTION, FLEXIBLE |
| SPECIAL FEATURES FEAT | SHEET METAL THICKNESS 0.125, BETWEEN GAGE 10 AND 11; QQ-S-786 CL 304 COND A QQ-S-786 |
| MATERIAL MATT | STEEL CORROSION RESISTING |
| STYLE DESIGNATOR STYL | — |
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 |
|---|---|---|
| 2601A22-50 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| 512-6985080-A1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 512-7067298-F50 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| H5120108-A1 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| H643-2601-F50 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
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
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
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.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M0-26-T-046A | Aug 18, 2026 | Aug 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "COLLAR,AIR CONDITIONING-HEATING." nsnexplorer.com, https://nsnexplorer.com/nsn/4520-01-595-4288/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4520-01-595-4288/