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Technical Data Sheet
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221-45 — Technical Data Sheet

✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include head_length: 2.120 INCHES NOMINAL IN, overall_length: 3.690 INCHES NOMINAL IN, style_designator: HEX HEAD, body_outside_diameter: 1.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 6625-00-113-3627, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 221-45
NSN: 6625-00-113-3627
FSC: 6625
CAGE: 00638 — TRIO LABORATORIES INC (USA)
SPECIFICATIONS
head_length2.120 INCHES NOMINAL IN
overall_length3.690 INCHES NOMINAL IN
style_designatorHEX HEAD
body_outside_diameter1.750 INCHES NOMINAL IN
NSN6625-00-113-3627
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,WIRE WOUND TITLE COMPONENT PN 221-45 MFR RESISTOR,FIXED,WIRE WO
KEY FEATURES
•
COMPONENT TYPE AND QUANTITY: 3 CABLE AND 1 BOARD AND 4 DAMPER
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
COMPONENT TYPE AND QUANTITY3 CABLE AND 1 BOARD AND 4 DAMPER
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
COMPONENT TYPE AND QUANTITY3 CABLE AND 1 BOARD AND 4 DAMPER
CRITICALITY CODE JUSTIFICATIONFEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
233InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LM31InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A11571InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
308-0243-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
443XS240R0JInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4R19AAInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMATSourcing: other
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FREQUENTLY ASKED QUESTIONS
What is 221-45?
221-45 is a RESISTOR,FIXED,WIRE WOUND. It is classified as a MRO (MRO_GENERAL).
What parts can replace 221-45?
There are 24 known substitutes for 221-45: 233, LM31, A11571 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 221-45?
221-45 is cataloged in the Federal Logistics Information System under NSN 6625-00-113-3627. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026