NSN Explorer

FSC 4520 × HEATING ELEMENT,ELECTRICAL,IMMER

HEATING ELEMENT,ELECTRICAL,IMMER

4520-01-257-9763

Open for bid

1 open solicitation on record right now — quantity, close date, and where to submit.

Solicitation Qty Status
SPE8E8-26-T-5436 1 Closes in 3d Bid →

Can you win it?

Restricted — approved sources only, based on the latest AMSC/AMC on record.

AMSC / AMC
Competition

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
BODY STYLE AAQL
OVERALL LENGTH ABHP INCHES NOMINAL 17.312
EFFECTIVE HEATING LENGTH ABHS INCHES NOMINAL 6.688
ELEMENT RADIATION SPECTRUM ABJA NONINFRARED
HEAT CONTROL TYPE ABJM THERMOCOUPLE
ELEMENT CONNECTION STYLE ABJS
HEAT QUANTITY ABNR 1
CONDUIT OPENING SIZE ABNT INCHES NOMINAL 0.750
LENGTH ABRY INCHES NOMINAL 10.750
MAXIMUM WATTAGE RATING IN WATTS AZQH 1000.0
ELEMENT QUANTITY BHHK 3
VOLTAGE IN VOLTS AND CURRENT TYPE CSBH SINGLE VOLTAGE AC 440.0
PHASE FAAZ SINGLE VOLTAGE THREE
SPECIAL FEATURES FEAT MOISTURE RESISTANT TERMINAL ENCLOSURE
MATERIAL MATT SHEATH STEEL CORROSION RESISTING
MATERIAL DOCUMENT AND CLASSIFICATION MDCL SHEATH MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-22577B

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
155-073168-000 07131 CHROMALOX INC
155-073168-002 07131 CHROMALOX INC
155-073168-002 65586 CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, INC
TMOSS-3E4XX 07131 CHROMALOX INC
TMOSS-3E4XX 65586 CHROMALOX INC DBA CHROMALOX PRECISION HEAT AND CONTROL, 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
Last purchased
Purchase records
Total demand
Latest award total

Price history

What the government paid per unit

Fewer than two priced purchases on record — see the table below.

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
SPE8E8-26-T-5436 Sep 3, 2026 Sep 14, 2026 1 Open 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.
  • Contract action totals: USAspending, context only.
  • Full methodology →