NSN 5325-00-965-5173 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-965-5173. Manufacturer of record part number: 1854H320X.
Material Hardness Rating: 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
Usage Design: INTERNAL
Cross-Sectional Shape Style: ROUNDED CORNERS
Outside Diameter: 6.250 INCHES NOMINAL IN
Major Thickness: 0.093 INCHES NOMINAL IN
Inside Diameter: 5.750 INCHES NOMINAL IN
Casehardening Indicator: NOT CASEHARDENED
Identification
NSN: 5325-00-965-5173
NIIN: 009655173
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: 1854H320X
Manufacturer: Meritor Heavy Vehicle Systems, Llc
General Description
The Ring,retaining, cataloged under National Stock Number 5325-00-965-5173, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5325-00-965-5173
Primary Part Number
1854H320X
Item Name
Ring,retaining
FSC / FSG
5325 / 53 — Fastening Devices
Manufacturer
Meritor Heavy Vehicle Systems, Llc
Status
ACTIVE
Material Hardness Rating
48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884
5325-00-000-1884 · Item name not on file
5325-00-000-9988
5325-00-000-9988 · Item name not on file
5325-00-001-1567
RING,RETAINING
5325-00-001-2043
FASTENER,PANEL
5325-00-001-3842
RING,RETAINING
5325-00-001-3858
5325-00-001-3858 · Item name not on file
5325-00-001-3871
RING,RETAINING
5325-00-001-4317
RING,RETAINING
Frequently Asked Questions
What is NSN 5325-00-965-5173?
NSN 5325-00-965-5173 is a Ring,retaining, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5325, Fastening Devices. Status: active.
What part numbers are listed for NSN 5325-00-965-5173?
NSN 5325-00-965-5173 has 3 manufacturer part numbers on file: 1854H320X (Meritor Heavy Vehicle Systems, Llc), 1854H320 (Meritor Industrial Products, Llc), 1854H320 (Meritor Heavy Vehicle Systems, Llc).
What are the specifications of 1854H320X?
Key specifications for 1854H320X: Material Hardness Rating: 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; Cross-Sectional Shape Style: ROUNDED CORNERS; Outside Diameter: 6.250 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5325-00-965-5173 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.