PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1372-1Ring Assembly,electrical Contact

Fabricast, Inc Dba Fabricast Inc · NSN 5977-00-150-6577 · FSC 5977 · No Item Name Available
Verified by PartsTable
NSN 5977-00-150-6577 — this item is cataloged by the U.S. Government under National Stock Number 5977-00-150-6577. Primary manufacturer part number: 1372-1.
Features
  • Ring Assembly,electrical Contact — FSC 5977
  • Contact Ring Quantity: 7
  • Overall Diameter: 3.500 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Fabricast, Inc Dba Fabricast Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring Assembly,electrical Contact, cataloged under National Stock Number 5977-00-150-6577, 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 Fabricast, Inc Dba Fabricast Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5977-00-150-6577
Primary Part Number1372-1
Item NameRing Assembly,electrical Contact
FSC / FSG5977 / 59 — No Item Name Available
ManufacturerFabricast, Inc Dba Fabricast Inc
StatusACTIVE
Contact Ring Quantity7
Overall Diameter3.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-637-139213721 INTERCHANGEABLE
Nut,plain,cap
Brinkley Technology Group Llc Dba Hercules Manufacturing
5950-00-725-1110SM-C-502618-6 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3030-01-101-86777715 INTERCHANGEABLE
Belt,v
Gates Corporation
5120-01-136-476628066 INTERCHANGEABLE
Wrench,valve Seat Ring
Leslie Controls, Inc. Dba Leslie Controls Inc
3120-01-155-350914044937 INTERCHANGEABLE
Bearing,sleeve
New Venture Gear Inc New Process Gear Div
5950-01-205-1666G111226-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
03-815217-1 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
1372-1 PRIMARY Fabricast, Inc Dba Fabricast Inc (USA)
Related Parts
5310-00-637-1392INTERCHANGEABLE
NUT,PLAIN,CAP
13721
5950-00-725-1110INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-502618-6
3030-01-101-8677INTERCHANGEABLE
BELT,V
7715
5120-01-136-4766INTERCHANGEABLE
WRENCH,VALVE SEAT RING
28066
3120-01-155-3509INTERCHANGEABLE
BEARING,SLEEVE
14044937
5950-01-205-1666INTERCHANGEABLE
TRANSFORMER,POWER
G111226-1

Frequently Asked Questions

What is NSN 5977-00-150-6577?

NSN 5977-00-150-6577 is a Ring Assembly,electrical Contact, manufactured by Fabricast, Inc Dba Fabricast Inc, classified under FSC 5977 (No Item Name Available). Status: active.

What are the part numbers for NSN 5977-00-150-6577?

NSN 5977-00-150-6577 has 2 cross-referenced part numbers: 03-815217-1 (General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems), 1372-1 (Fabricast, Inc Dba Fabricast Inc).

What NSN replaces 5977-00-150-6577?

There are 6 known substitutes for 5977-00-150-6577: 5310-00-637-1392, 5950-00-725-1110, 3030-01-101-8677 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1372-1?

Key specifications for 1372-1: Contact Ring Quantity: 7; Overall Length: 1.205 INCHES NOMINAL IN; Overall Diameter: 3.500 INCHES NOMINAL IN. 3 total characteristics are documented in the Federal Logistics Information System.

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