PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

537257Spacer,sleeve

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5365-00-878-4157 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-878-4157 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-878-4157. Primary manufacturer part number: 537257.
Features
  • Spacer,sleeve — FSC 5365
  • Body Inside Diameter: 0.1590 INCHES MINIMUM AND 0.1640 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Body Outside Diameter: 0.2350 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Hardness Rating: 75.0 ROCKWELL B MINIMUM AND 90.0 ROCKWELL B MAXIMUM OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • 1 verified cross-reference
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spacer,sleeve, cataloged under National Stock Number 5365-00-878-4157, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 6 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-00-878-4157
Primary Part Number537257
Item NameSpacer,sleeve
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Body Inside Diameter0.1590 INCHES MINIMUM AND 0.1640 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Body Outside Diameter0.2350 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Hardness Rating75.0 ROCKWELL B MINIMUM AND 90.0 ROCKWELL B MAXIMUM OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2530-00-273-850410A8804 INTERCHANGEABLE
Cup,hydraulic Brake Cylinder
Napco International Llc Dba Napco International Inc
Cross-Reference Index
Part NumberManufacturer
537257 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
2530-00-273-8504INTERCHANGEABLE
CUP,HYDRAULIC BRAKE CYLINDER
10A8804

Frequently Asked Questions

What is NSN 5365-00-878-4157?

NSN 5365-00-878-4157 is a Spacer,sleeve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-878-4157?

NSN 5365-00-878-4157 has 1 cross-referenced part number: 537257 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5365-00-878-4157?

There is 1 known substitute for 5365-00-878-4157: 2530-00-273-8504. Verify interchangeability with system specifications before substitution.

What are the specifications of 537257?

Key specifications for 537257: Body Inside Diameter: 0.1590 INCHES MINIMUM AND 0.1640 INCHES MAXIMUM IN; Material: STEEL CORROSION RESISTING OVERALL; Body Outside Diameter: 0.2350 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS. 7 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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