PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

65A81C937Spacer,sleeve

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5365-00-518-5239 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-518-5239 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-518-5239. Primary manufacturer part number: 65A81C937.
Features
  • Spacer,sleeve — FSC 5365
  • Body Inside Diameter: 1.2600 INCHES NOMINAL IN
  • Body Outside Diameter: 1.4750 INCHES MINIMUM AND 1.4950 INCHES MAXIMUM IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Surface Treatment: ANODIZE OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Material Document and Classification: QQ-S-634,COND CD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1018 OVERALL
Applications
  • Applications requiring Steel Comp 1018 Overall construction
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-00-518-5239, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5365-00-518-5239
Primary Part Number65A81C937
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Body Inside Diameter1.2600 INCHES NOMINAL IN
Body Outside Diameter1.4750 INCHES MINIMUM AND 1.4950 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Surface TreatmentANODIZE OVERALL
Corner ShapeSQUARE ALL CORNERS
Material Document and ClassificationQQ-S-634,COND CD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1018 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-037-6902220042GE12 INTERCHANGEABLE
Washer,flat
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5961-00-089-7448 INTERCHANGEABLE
Transistor
3455-00-293-052408720 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
9540-00-580-6525 INTERCHANGEABLE
Beam,structural
5840-00-677-347940346 INTERCHANGEABLE
Jack Nut
Honeywell International Inc. Div Aerospace - Torrance
2990-01-010-508540346 INTERCHANGEABLE
Pipe,exhaust
Walker Mfg Co
Cross-Reference Index
Part NumberManufacturer
02261-0280-211 Harsco Corp Bmy-Combat Systems Div (USA)
02261-0280-211 Asrc Federal Facilities Logistics, Llc (USA)
65A81C937 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
40346 Western Mfg Co (USA)
Related Parts
5310-00-037-6902INTERCHANGEABLE
WASHER,FLAT
220042GE12
5961-00-089-7448INTERCHANGEABLE
TRANSISTOR
3455-00-293-0524INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
08720
9540-00-580-6525INTERCHANGEABLE
BEAM,STRUCTURAL
5840-00-677-3479INTERCHANGEABLE
JACK NUT
40346
2990-01-010-5085INTERCHANGEABLE
PIPE,EXHAUST
40346

Frequently Asked Questions

What is NSN 5365-00-518-5239?

NSN 5365-00-518-5239 is a Spacer,sleeve, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-518-5239?

NSN 5365-00-518-5239 has 4 cross-referenced part numbers: 02261-0280-211 (Harsco Corp Bmy-Combat Systems Div), 02261-0280-211 (Asrc Federal Facilities Logistics, Llc), 65A81C937 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 40346 (Western Mfg Co).

What NSN replaces 5365-00-518-5239?

There are 6 known substitutes for 5365-00-518-5239: 5310-00-037-6902, 5961-00-089-7448, 3455-00-293-0524 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 65A81C937?

Key specifications for 65A81C937: Body Inside Diameter: 1.2600 INCHES NOMINAL IN; Body Outside Diameter: 1.4750 INCHES MINIMUM AND 1.4950 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Surface Treatment: ANODIZE OVERALL. 8 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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