PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121577Bracket,engine Accessory

G R Mfg · NSN 5342-01-620-0833 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-01-620-0833 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-620-0833. Primary manufacturer part number: 121577.
Features
  • Bracket,engine Accessory — FSC 5342
  • 1 verified cross-reference
  • Primary manufacturer: G R Mfg
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Bracket,engine Accessory, cataloged under National Stock Number 5342-01-620-0833, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is G R Mfg. 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.

Technical Specifications
ParameterValue
NSN5342-01-620-0833
Primary Part Number121577
Item NameBracket,engine Accessory
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerG R Mfg
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5360-00-175-99761521187 INTERCHANGEABLE
Spring,helical,compression
Brinkley Technology Group Llc Dba Hercules Manufacturing
5930-00-548-9056 INTERCHANGEABLE
Switch Assembly
5930-01-422-2941121577 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
121577 PRIMARY G R Mfg (USA)
Related Parts
5360-00-175-9976INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1521187
5930-00-548-9056INTERCHANGEABLE
SWITCH ASSEMBLY
5930-01-422-2941INTERCHANGEABLE
SWITCH,FLOW
121577

Frequently Asked Questions

What is NSN 5342-01-620-0833?

NSN 5342-01-620-0833 is a Bracket,engine Accessory, manufactured by G R Mfg, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-01-620-0833?

NSN 5342-01-620-0833 has 1 cross-referenced part number: 121577 (G R Mfg).

What NSN replaces 5342-01-620-0833?

There are 3 known substitutes for 5342-01-620-0833: 5360-00-175-9976, 5930-00-548-9056, 5930-01-422-2941. Verify interchangeability with system specifications before substitution.

What are the specifications of 121577?

Key specifications for 121577: Part Name Assigned by Controlling Agency: PLATE,D,MNT,RH,4 WAY VALVE. 1 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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