PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51399Spacer,ring

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5365-00-119-6636 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-119-6636 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-119-6636. Primary manufacturer part number: 51399.
Features
  • Spacer,ring — FSC 5365
  • Inside Diameter: 4.250 INCHES MINIMUM AND 4.252 INCHES MAXIMUM IN
  • Material: COPPER ALLOY
  • Overall Thickness: 0.140 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
  • Outside Diameter: 6.240 INCHES MINIMUM AND 6.260 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
Applications
  • Applications requiring Copper Alloy construction
General Description

The Spacer,ring, cataloged under National Stock Number 5365-00-119-6636, 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 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5365-00-119-6636
Primary Part Number51399
Item NameSpacer,ring
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusCANCELLED
Inside Diameter4.250 INCHES MINIMUM AND 4.252 INCHES MAXIMUM IN
MaterialCOPPER ALLOY
Overall Thickness0.140 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
Outside Diameter6.240 INCHES MINIMUM AND 6.260 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5815-00-356-3483 INTERCHANGEABLE
Plate
4330-00-732-6535S51399 INTERCHANGEABLE
Filter Element,fluid
Swift Filters, Inc.
5310-00-740-0956 INTERCHANGEABLE
Washer,piston
5325-00-938-2194 INTERCHANGEABLE
Ring,retaining
8345-01-590-2445 INTERCHANGEABLE
Flag,infantry School Battalions
Cross-Reference Index
Part NumberManufacturer
51399 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5815-00-356-3483INTERCHANGEABLE
PLATE
4330-00-732-6535INTERCHANGEABLE
FILTER ELEMENT,FLUID
S51399
5310-00-740-0956INTERCHANGEABLE
WASHER,PISTON
5325-00-938-2194INTERCHANGEABLE
RING,RETAINING
8345-01-590-2445INTERCHANGEABLE
FLAG,INFANTRY SCHOOL BATTALIONS

Frequently Asked Questions

What is NSN 5365-00-119-6636?

NSN 5365-00-119-6636 is a Spacer,ring, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5365 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5365-00-119-6636?

NSN 5365-00-119-6636 has 1 cross-referenced part number: 51399 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5365-00-119-6636?

There are 5 known substitutes for 5365-00-119-6636: 5815-00-356-3483, 4330-00-732-6535, 5310-00-740-0956 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51399?

Key specifications for 51399: Inside Diameter: 4.250 INCHES MINIMUM AND 4.252 INCHES MAXIMUM IN; Material: COPPER ALLOY; Special Features: 2.297/.307 IN. DIA HOLES ON VERTICAL CENTERLINE OF APERATURE WITHIN .004 IN. AND BROOVED BOTH SIDES .005/.015 IN. DEEP,5 PORM 1/32 IN. TO 5-1/2 PORM 1/32 IN. GROOVE DIA IN; Overall Thickness: 0.140 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5365-00-119-6636 still in active supply?

NSN 5365-00-119-6636 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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