PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

501231Spacer,ring

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5365-01-652-6001 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-652-6001 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-652-6001. Primary manufacturer part number: 501231.
Features
  • Spacer,ring — FSC 5365
  • 3 verified cross-references
  • Primary manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Spacer,ring, cataloged under National Stock Number 5365-01-652-6001, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpacer,ring
FSC / FSG5365 — No Item Name Available (FSG 53)
ManufacturersRtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445)
Technical Specifications
ParameterValue
NSN5365-01-652-6001
Primary Part Number501231
Item NameSpacer,ring
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-01-193-7712N5040 PIECE 76 INTERCHANGEABLE
Seat,valve
Tate Andale, Llc
5310-01-472-037150-123-1 INTERCHANGEABLE
Nut Assembly,retainer Plate
Bell Textron Inc
5975-01-522-8311501288 INTERCHANGEABLE
Chassis,electrical-Electronic Eq
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
Cross-Reference Index
Part NumberManufacturer
501231 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
490877 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
501288 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
4820-01-193-7712INTERCHANGEABLE
SEAT,VALVE
N5040 PIECE 76
5310-01-472-0371INTERCHANGEABLE
NUT ASSEMBLY,RETAINER PLATE
50-123-1
5975-01-522-8311INTERCHANGEABLE
CHASSIS,ELECTRICAL-ELECTRONIC EQ
501288

Frequently Asked Questions

What is NSN 5365-01-652-6001?

NSN 5365-01-652-6001 is a Spacer,ring, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-652-6001?

NSN 5365-01-652-6001 has 3 cross-referenced part numbers: 501231 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 490877 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 501288 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5365-01-652-6001?

There are 3 known substitutes for 5365-01-652-6001: 4820-01-193-7712, 5310-01-472-0371, 5975-01-522-8311. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com