PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

SK56Y21-92-1 SIZE C-075Spacer,plate

Naval Sea Systems Command · NSN 5365-01-357-1758 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-357-1758 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-357-1758. Primary manufacturer part number: SK56Y21-92-1 SIZE C-075.
Features
  • Spacer,plate — FSC 5365
  • 4 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Spacer,plate, cataloged under National Stock Number 5365-01-357-1758, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. This item has 4 commercial cross-references from 4 manufacturers, 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
NSN5365-01-357-1758
Primary Part NumberSK56Y21-92-1 SIZE C-075
Item NameSpacer,plate
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-481-7302960500-10 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Raytheon Company Dba Raytheon
5365-01-358-3122SK56Y21-92-1 SIZE D-075 INTERCHANGEABLE
Spacer,plate
Naval Sea Systems Command
5120-01-533-4620C075 INTERCHANGEABLE
Clamping Tool,strap Band,hose
Band-It-Idex, Inc. Div Band-It Idex
Cross-Reference Index
Part NumberManufacturer
C-075 International Mechanical Shim Corp Dba San Diego Shim and Algnmt Co (USA)
922954 Mars Technologies Inc Dba American Metals Company (USA)
0C07520 Igs Industries Inc (USA)
SK56Y21-92-1 SIZE C-075 PRIMARY Naval Sea Systems Command (USA)
Related Parts
5905-00-481-7302INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
960500-10
5365-01-358-3122INTERCHANGEABLE
SPACER,PLATE
SK56Y21-92-1 SIZE D-075
5120-01-533-4620INTERCHANGEABLE
CLAMPING TOOL,STRAP BAND,HOSE
C075

Frequently Asked Questions

What is NSN 5365-01-357-1758?

NSN 5365-01-357-1758 is a Spacer,plate, manufactured by Naval Sea Systems Command, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-357-1758?

NSN 5365-01-357-1758 has 4 cross-referenced part numbers: C-075 (International Mechanical Shim Corp Dba San Diego Shim and Algnmt Co), 922954 (Mars Technologies Inc Dba American Metals Company), 0C07520 (Igs Industries Inc), SK56Y21-92-1 SIZE C-075 (Naval Sea Systems Command).

What NSN replaces 5365-01-357-1758?

There are 3 known substitutes for 5365-01-357-1758: 5905-00-481-7302, 5365-01-358-3122, 5120-01-533-4620. Verify interchangeability with system specifications before substitution.

What are the specifications of SK56Y21-92-1 SIZE C-075?

Key specifications for SK56Y21-92-1 SIZE C-075: Overall Length: 4.688 INCHES NOMINAL IN; Overall Width: 4.000 INCHES NOMINAL IN. 2 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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