NSN 5365-00-187-9014 · NIIN 001879014 · Part number A-A-59558-114
Federal Commercial Item Description Promulgated by General Services Administration Washington DC · FSC 5365 — Bushings, Rings, Shims, and Spacers · FSG 53 — Hardware and Abrasives · CAGE 58536
Government record, cited
NSN 5365-00-187-9014 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-187-9014. Manufacturer of record part number: A-A-59558-114.
Material Document and Classification: FED STD NO. 66, COMPOSITION 1117 FED STD SINGLE MATERIAL RESPONSE
Overall Outside Diameter: 1.611 INCHES NOMINAL IN
Inner Serration Quantity: 42
Pilot Diameter: 1.509 INCHES NOMINAL IN
Inside Diameter: 1.282 INCHES NOMINAL IN
Side Outer Serrations Omitted for Close Edge Installation: TWO SIDES
Surface Treatment: CADMIUM AND CHROMATE
Identification
NSN: 5365-00-187-9014
NIIN: 001879014
FSC: 5365 — Bushings, Rings, Shims, and Spacers
FSG: 53 — Hardware and Abrasives
Primary part number: A-A-59558-114
Manufacturer: Federal Commercial Item Description Promulgated by General Services Administration Washington DC
General Description
The Ring,lock,serrated, cataloged under National Stock Number 5365-00-187-9014, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5365-00-187-9014
Primary Part Number
A-A-59558-114
Item Name
Ring,lock,serrated
FSC / FSG
5365 / 53 — Bushings, Rings, Shims, and Spacers
Manufacturer
Federal Commercial Item Description Promulgated by General Services Administration Washington DC
Status
ACTIVE
Material Document and Classification
FED STD NO. 66, COMPOSITION 1117 FED STD SINGLE MATERIAL RESPONSE
Overall Outside Diameter
1.611 INCHES NOMINAL IN
Inner Serration Quantity
42
Pilot Diameter
1.509 INCHES NOMINAL IN
Inside Diameter
1.282 INCHES NOMINAL IN
Side Outer Serrations Omitted for Close Edge Installation
TWO SIDES
Surface Treatment
CADMIUM AND CHROMATE
Material
STEEL COMP 1117
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5365-00-218-4927MS51990-110PPOSSIBLE MATCH
RING,LOCK,SERRATED
Possible match (shared part number)Sae International Dba Sae International
5365-00-218-4929MS51990-113PPOSSIBLE MATCH
RING,LOCK,SERRATED
Possible match (shared part number)Sae International Dba Sae International
5365-00-385-5330POSSIBLE MATCH
RING,LOCK,SERRATED
Possible match (shared part number)
5365-00-451-6516POSSIBLE MATCH
RING,LOCK,SERRATED
Possible match (shared part number)
5365-00-543-6932MS51990-106PPOSSIBLE MATCH
RING,LOCK,SERRATED
Possible match (shared part number)Sae International Dba Sae International
5365-00-762-1908AS51990POSSIBLE MATCH
RING,LOCK,SERRATED
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5365-01-012-7597MS51990E105PPOSSIBLE MATCH
RING,LOCK,SERRATED
Possible match (shared part number)Sae International Dba Sae International
5365-01-032-7233RLRR16SB5POSSIBLE MATCH
RING,LOCK,SERRATED
Possible match (shared part number)General Electric Company Dba Ge Aerospace
Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Reference documents
Reference
Meaning
MS51990-115
5/9Secondary reference
U.S. Government activity
RLRR100SA12
5/1Secondary reference
U.S. Government activity
RLRR100SB12
5/1Secondary reference
U.S. Government activity
A-A-59558
4/1Identification reference
Federal Commercial Item Description Promulgated by General Services Administration Washington DC
Related Parts
5365-00-218-4927POSSIBLE MATCH
RING,LOCK,SERRATED
MS51990-110P
5365-00-218-4929POSSIBLE MATCH
RING,LOCK,SERRATED
MS51990-113P
5365-00-385-5330POSSIBLE MATCH
RING,LOCK,SERRATED
5365-00-451-6516POSSIBLE MATCH
RING,LOCK,SERRATED
5365-00-543-6932POSSIBLE MATCH
RING,LOCK,SERRATED
MS51990-106P
5365-00-762-1908POSSIBLE MATCH
RING,LOCK,SERRATED
AS51990
5365-01-012-7597POSSIBLE MATCH
RING,LOCK,SERRATED
MS51990E105P
5365-01-032-7233POSSIBLE MATCH
RING,LOCK,SERRATED
RLRR16SB5
5365-01-040-5223POSSIBLE MATCH
RING,LOCK,SERRATED
5365-01-047-8596POSSIBLE MATCH
RING,LOCK,SERRATED
Frequently Asked Questions
What is NSN 5365-00-187-9014?
NSN 5365-00-187-9014 is a Ring,lock,serrated, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
What part numbers are listed for NSN 5365-00-187-9014?
NSN 5365-00-187-9014 has 1 manufacturer part number on file: A-A-59558-114 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
What NSN replaces 5365-00-187-9014?
10 possible matches (shared part number, not a government interchangeability claim): 5365-00-218-4927, 5365-00-218-4929, 5365-00-385-5330. Verify interchangeability with system specifications before substitution.
What are the specifications of A-A-59558-114?
Key specifications for A-A-59558-114: Overall Height: 0.193 INCHES NOMINAL IN; Material Document and Classification: FED STD NO. 66, COMPOSITION 1117 FED STD SINGLE MATERIAL RESPONSE; Overall Outside Diameter: 1.611 INCHES NOMINAL IN; Inner Serration Quantity: 42. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5365-00-187-9014 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.