NSN 4520-01-313-5999 · NIIN 013135999 · Part number 252-X22Q01935-3
Indeeco Llc Dba Indeeco · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 74924
Government record, cited
NSN 4520-01-313-5999 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-313-5999. Manufacturer of record part number: 252-X22Q01935-3.
Also searched as4520-01-313-5999 ·
4520013135999 ·
NIIN 013135999 ·
01-313-5999 ·
FSC 4520 Space and Water Heating Equipment · CAGE 74924 · 252-X22Q01935-3 · 252-X22B01935-3 · B252A0601935 CE 2 1/2 · B252A0:601935
Nearby stock numbers← 4520-01-313-5998 Heater, Space, Electric
·
4520-01-313-6000 Heater, Space, Electric →
Features
Heater,space,electric — FSC 4520
Heat Delivery Rate: 2559.0 BRITISH THERMAL UNIT
Phase: THREE
Frequency in Hertz: 50.0 OR 60.0
Current Type: AC
Inclosure Material: STEEL CORROSION RESISTING
Voltage in Volts: 440.0
Heat Outlet Quantity: 3
Identification
NSN: 4520-01-313-5999
NIIN: 013135999
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 252-X22Q01935-3
Manufacturer: Indeeco Llc Dba Indeeco
General Description
The Heater,space,electric, cataloged under National Stock Number 4520-01-313-5999, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Indeeco Llc Dba Indeeco. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4520-01-313-5999
Primary Part Number
252-X22Q01935-3
Item Name
Heater,space,electric
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Manufacturer
Indeeco Llc Dba Indeeco
Status
ACTIVE
Heat Delivery Rate
2559.0 BRITISH THERMAL UNIT
Phase
THREE
Frequency in Hertz
50.0 OR 60.0
Current Type
AC
Inclosure Material
STEEL CORROSION RESISTING
Voltage in Volts
440.0
Heat Outlet Quantity
3
Width
18.375 INCHES NOMINAL IN
Heating Element Type
ELECTRIC NONIMMERSION
Current Rating in Amps
0.9
Operating Control Type
THERMOSTATIC
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4520-01-313-6000POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
Possible match (shared part number)
4520-01-313-6002252-X22Q01935-6POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
Possible match (shared part number)Indeeco Llc Dba Indeeco
4520-01-313-6003252-X22Q01935-7POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
Possible match (shared part number)Indeeco Llc Dba Indeeco
4520-01-313-6004252-X22Q01935-8POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
Possible match (shared part number)Indeeco Llc Dba Indeeco
4520-01-313-6005252-X22Q01935-9POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
Possible match (shared part number)Indeeco Llc Dba Indeeco
4520-01-321-6376B252A0B01935 CE 3/4POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
Possible match (shared part number)Indeeco Llc Dba Indeeco
4520-01-321-6377B252A0601935 CE 1 1/2POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
Possible match (shared part number)Indeeco Llc Dba Indeeco
C/1Advisory reference — outside the item-of-supply concept
Zf Industrieantriebe Witten Gmbh
B252A0:601935
D/9Drawing number reference only
Indeeco Llc Dba Indeeco
Related Parts
4520-01-313-6000POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
4520-01-313-6002POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
252-X22Q01935-6
4520-01-313-6003POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
252-X22Q01935-7
4520-01-313-6004POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
252-X22Q01935-8
4520-01-313-6005POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
252-X22Q01935-9
4520-01-321-6376POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
B252A0B01935 CE 3/4
4520-01-321-6377POSSIBLE MATCH
HEATER,SPACE,ELECTRIC
B252A0601935 CE 1 1/2
Frequently Asked Questions
What is NSN 4520-01-313-5999?
NSN 4520-01-313-5999 is a Heater,space,electric, manufactured by Indeeco Llc Dba Indeeco, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-313-5999?
NSN 4520-01-313-5999 has 2 manufacturer part numbers on file: 252-X22Q01935-3 (Indeeco Llc Dba Indeeco), B252A0601935 CE 2 1/2 (Indeeco Llc Dba Indeeco).
What NSN replaces 4520-01-313-5999?
7 possible matches (shared part number, not a government interchangeability claim): 4520-01-313-6000, 4520-01-313-6002, 4520-01-313-6003. Verify interchangeability with system specifications before substitution.
What are the specifications of 252-X22Q01935-3?
Key specifications for 252-X22Q01935-3: Heat Delivery Rate: 2559.0 BRITISH THERMAL UNIT; Phase: THREE; Frequency in Hertz: 50.0 OR 60.0; Current Type: AC. 11 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-313-5999 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.