PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

536-021Ring,electrical Contact

Simplex Time Recorder Llc · NSN 5977-01-363-9631 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-01-363-9631 — this item is cataloged by the U.S. Government under National Stock Number 5977-01-363-9631. Primary manufacturer part number: 536-021.
Features
  • Ring,electrical Contact — FSC 5977
  • 1 verified cross-reference
  • Primary manufacturer: Simplex Time Recorder Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring,electrical Contact, cataloged under National Stock Number 5977-01-363-9631, is classified within Federal Supply Class 5977 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Simplex Time Recorder Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,electrical Contact
FSC / FSG5977 — No Item Name Available (FSG 59)
ManufacturersSimplex Time Recorder Llc (CAGE 54978)
Technical Specifications
ParameterValue
NSN5977-01-363-9631
Primary Part Number536-021
Item NameRing,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerSimplex Time Recorder Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-939-62982187447 INTERCHANGEABLE
Bearing,ball,duplex
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
6685-00-945-307553602-1 INTERCHANGEABLE
Control,temperature,indicating
Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems
5130-01-444-9072RH328VCQ INTERCHANGEABLE
Hammer,rotary,electric,portable
Bosch Automotive Service Solutions Inc.
Cross-Reference Index
Part NumberManufacturer
536-021 PRIMARY Simplex Time Recorder Llc (USA)
Related Parts
3110-00-939-6298INTERCHANGEABLE
BEARING,BALL,DUPLEX
2187447
6685-00-945-3075INTERCHANGEABLE
CONTROL,TEMPERATURE,INDICATING
53602-1
5130-01-444-9072INTERCHANGEABLE
HAMMER,ROTARY,ELECTRIC,PORTABLE
RH328VCQ

Frequently Asked Questions

What is NSN 5977-01-363-9631?

NSN 5977-01-363-9631 is a Ring,electrical Contact, manufactured by Simplex Time Recorder Llc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-01-363-9631?

NSN 5977-01-363-9631 has 1 cross-referenced part number: 536-021 (Simplex Time Recorder Llc).

What NSN replaces 5977-01-363-9631?

There are 3 known substitutes for 5977-01-363-9631: 3110-00-939-6298, 6685-00-945-3075, 5130-01-444-9072. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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