Acquisition method (AMC)
1
FSC 4520 × HEATER,WATER,ELECTRIC
HEATER,WATER,ELECTRIC
4520-00-552-3716 FSC 4520
NSN 4520-00-552-3716 (also written 4520005523716; NIIN 00-552-3716) is a heater, water, electric in Federal Supply Class 4520, Space and Water Heating Equipment. 7 manufacturer part numbers from 4 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE8E8-27-T-0306 | 18 | Closes in 2d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
L
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, 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 |
|---|---|
| WATER OUTLET CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR AMLM | NPT 0.750-14 |
| HEATING ELEMENT WATTAGE RATING AMRK | LOWER 4500.000 AND UPPER 4500.000 |
| CAPACITY AXQD | TANK GALLONS 50.0 |
| TEMP RISE PER HOUR AMHX | FAHRENHEIT 90.0 |
| OPERATING PRESSURE CQQF | POUNDS PER SQUARE INCH (PSI) MAXIMUM 150.0 |
| VOLTAGE IN VOLTS AND CURRENT TYPE CSBH | AC 240.0 |
| PHASE FAAZ | SINGLE |
| FREQUENCY IN HERTZ FREQ | 60.0 |
| MATERIAL MATT | STEEL |
| SURFACE TREATMENT SFTT | INSIDE GLASS FIBER |
| OVERALL HEIGHT ABKW | INCHES NOMINAL 50.000 |
| FEATURES PROVIDED CBBL | INSULATED |
| SWITCH TYPE AEEA | SINGLE THROW |
| HEATING ELEMENT TYPE ABAL | DOUBLE |
| FURNISHED ITEMS ABFF | THERMOSTATIC SWITCH |
| WATER OUTLET CONNECTION QUANTITY AMLR | 1 |
| FURNISHED ITEMS AND QUANTITY AKYN | DRAIN VALVE 1; ANODE ROD 1 |
| SURFACE TREATMENT SFTT | OUTSIDE ENAMEL |
| WATER INLET CONNECTION QUANTITY AMLQ | 1 |
| WATER INLET CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR AMLL | NPT 0.750-14 |
| HEATING CAPACITY PER HOUR AMHR | GALLONS 20.0 |
| OVERALL DIAMETER ADAV | INCHES NOMINAL 21.000 |
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 |
|---|---|---|
| 3570K32 | 39428 | MCMASTER-CARR SUPPLY CO |
| 3E120 | 25795 | W.W. GRAINGER, INC. |
| 3WA71 | 25795 | W.W. GRAINGER, INC. |
| 6E722 | 25795 | W.W. GRAINGER, INC. |
| 81V52D-B | 6W294 | RHEEM MFG CO DIV OF CITY INVESTING CO |
| M-I-50S5DS | 86458 | BRADFORD-WHITE CORP |
| M250S6DS | 86458 | BRADFORD-WHITE CORP |
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 — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE8E8-27-T-0306 | Oct 29, 2026 | Nov 9, 2026 | 18 | Open | View at DIBBS → |
| SPE8E8-26-Q-0473 | Aug 26, 2026 | Aug 30, 2026 | 15 | 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. "HEATER,WATER,ELECTRIC." nsnexplorer.com, https://nsnexplorer.com/nsn/4520-00-552-3716/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4520-00-552-3716/