PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21775Spacer,sleeve

Eaton Aerospace Llc · NSN 5365-01-049-2679 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-049-2679 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-049-2679. Primary manufacturer part number: 21775.
Features
  • Spacer,sleeve — FSC 5365
  • Material: STEEL COMP 303 OVERALL
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Corner Shape: ROUND ALL CORNERS
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace Llc
Applications
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-01-049-2679, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace Llc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-049-2679
Primary Part Number21775
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerEaton Aerospace Llc
StatusACTIVE
MaterialSTEEL COMP 303 OVERALL
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Corner ShapeROUND ALL CORNERS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-00-014-5366 INTERCHANGEABLE
Screw,drive
5905-00-072-845321775 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Mason Electric Co. Dba Mason Controls
5915-00-113-439621775 INTERCHANGEABLE
Filter,radio Frequency Interfere
Bradford Vibrators Co the
3455-00-232-409919953 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5330-00-589-14537H2158 INTERCHANGEABLE
Gasket
Caterpillar Inc Div Caterpillar Defense
5930-00-636-1285 INTERCHANGEABLE
Switch,toggle
5998-01-078-0446 INTERCHANGEABLE
Extractor,electrical Card
Cross-Reference Index
Part NumberManufacturer
21775 PRIMARY Eaton Aerospace Llc (USA)
Related Parts
5305-00-014-5366INTERCHANGEABLE
SCREW,DRIVE
5905-00-072-8453INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
21775
5915-00-113-4396INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
21775
3455-00-232-4099INTERCHANGEABLE
REAMER,MACHINE
19953
5330-00-589-1453INTERCHANGEABLE
GASKET
7H2158
5930-00-636-1285INTERCHANGEABLE
SWITCH,TOGGLE
5998-01-078-0446INTERCHANGEABLE
EXTRACTOR,ELECTRICAL CARD

Frequently Asked Questions

What is NSN 5365-01-049-2679?

NSN 5365-01-049-2679 is a Spacer,sleeve, manufactured by Eaton Aerospace Llc, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-049-2679?

NSN 5365-01-049-2679 has 1 cross-referenced part number: 21775 (Eaton Aerospace Llc).

What NSN replaces 5365-01-049-2679?

There are 7 known substitutes for 5365-01-049-2679: 5305-00-014-5366, 5905-00-072-8453, 5915-00-113-4396 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21775?

Key specifications for 21775: Material: STEEL COMP 303 OVERALL; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: PASSIVATE OVERALL; Corner Shape: ROUND ALL CORNERS. 4 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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