NSN 5950-00-409-7621 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-409-7621. Manufacturer of record part number: 218-11.
Also searched as5950-00-409-7621 ·
5950004097621 ·
NIIN 004097621 ·
00-409-7621 ·
FSC 5950 Coils and Transformers · CAGE 79578 · 218-11 · 91150043
Quality Factor: 60 MINIMUM SINGLE COMPONENT SINGLE WINDING
Overall Diameter: 0.270 INCHES NOMINAL IN
Mounting Method: TERMINAL SINGLE GROUP
Inductance Rating: 11.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Coil Form Type: SOLID SINGLE COMPONENT
Body Length: 0.750 INCHES NOMINAL IN
Identification
NSN: 5950-00-409-7621
NIIN: 004097621
FSC: 5950 — Coils and Transformers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 218-11
Manufacturer: Wilco Products Inc
General Description
The Coil,radio Frequency, cataloged under National Stock Number 5950-00-409-7621, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Wilco Products Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
5950-00-409-7621
Primary Part Number
218-11
Item Name
Coil,radio Frequency
FSC / FSG
5950 / 59 — Coils and Transformers
Manufacturer
Wilco Products Inc
Status
ACTIVE
Inclosure Type
FULLY INCLOSED
Quality Factor
60 MINIMUM SINGLE COMPONENT SINGLE WINDING
Overall Diameter
0.270 INCHES NOMINAL IN
Mounting Method
TERMINAL SINGLE GROUP
Inductance Rating
11.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Coil Form Type
SOLID SINGLE COMPONENT
Body Length
0.750 INCHES NOMINAL IN
Winding Operating Current
968.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Rating Method
ELECTRICAL SINGLE COMPONENT SINGLE WINDING
DC Resistance Rating in Ohms
1.100 SINGLE COMPONENT SINGLE WINDING
Reliability Indicator
NOT ESTABLISHED
Core Construction
S0LID SINGLE COMPONENT
Terminal Type and Quantity
2 WIRE LEAD
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6110-00-427-30162181-1POSSIBLE MATCH
ELEMENT VOLTAGE REG
Possible match (shared part number)Stewart & Stevenson Power Products Llc
5935-00-600-51599172308POSSIBLE MATCH
GUIDE,ELECTRICAL CONNECTOR
Possible match (shared part number)Us Army Aviation and Missile Command
5961-01-064-4198POSSIBLE MATCH
TRANSISTOR
Possible match (shared part number)
5998-01-073-6873POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)
5925-01-407-060021811POSSIBLE MATCH
BASE,CIRCUIT BREAKER
Possible match (shared part number)Atlas Energy Systems Inc
4810-01-472-879021811-001POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5120-01-652-41432181-1POSSIBLE MATCH
CRIMPING TOOL,TERMINAL,HAND
Possible match (shared part number)Daniels Manufacturing Corporation
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
Related Parts
6110-00-427-3016POSSIBLE MATCH
ELEMENT VOLTAGE REG
2181-1
5935-00-600-5159POSSIBLE MATCH
GUIDE,ELECTRICAL CONNECTOR
9172308
5961-01-064-4198POSSIBLE MATCH
TRANSISTOR
5998-01-073-6873POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
5925-01-407-0600POSSIBLE MATCH
BASE,CIRCUIT BREAKER
21811
4810-01-472-8790POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
21811-001
5120-01-652-4143POSSIBLE MATCH
CRIMPING TOOL,TERMINAL,HAND
2181-1
Frequently Asked Questions
What is NSN 5950-00-409-7621?
NSN 5950-00-409-7621 is a Coil,radio Frequency, manufactured by Wilco Products Inc, classified under FSC 5950, Coils and Transformers. Status: active.
What part numbers are listed for NSN 5950-00-409-7621?
NSN 5950-00-409-7621 has 2 manufacturer part numbers on file: 91150043 (L3harris Interstate Electronics Corporation), 218-11 (Wilco Products Inc).
What NSN replaces 5950-00-409-7621?
7 possible matches (shared part number, not a government interchangeability claim): 6110-00-427-3016, 5935-00-600-5159, 5961-01-064-4198. Verify interchangeability with system specifications before substitution.
What are the specifications of 218-11?
Key specifications for 218-11: Inclosure Type: FULLY INCLOSED; Quality Factor: 60 MINIMUM SINGLE COMPONENT SINGLE WINDING; Overall Diameter: 0.270 INCHES NOMINAL IN; Mounting Method: TERMINAL SINGLE GROUP. 13 specifications are documented in the U.S. Government catalog.
Is NSN 5950-00-409-7621 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.