Material Hardness Rating: 71.0 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM
Usage Design: EXTERNAL
Cross-Sectional Shape Style: DOUBLE OVAL
Outside Diameter: 0.500 INCHES NOMINAL IN
Specification/standard Data: 81349-MIL-R-27426 GOVERNMENT SPECIFICATION
Major Thickness: 0.025 INCHES NOMINAL IN
Inside Diameter: 0.467 INCHES NOMINAL IN
Identification
NSN: 5325-01-457-5116
NIIN: 014575116
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
General Description
The Ring,retaining, cataloged under National Stock Number 5325-01-457-5116, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5325-01-457-5116
Item Name
Ring,retaining
FSC / FSG
5325 / 53 — Fastening Devices
Status
ACTIVE
Material Hardness Rating
71.0 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM
Usage Design
EXTERNAL
Cross-Sectional Shape Style
DOUBLE OVAL
Outside Diameter
0.500 INCHES NOMINAL IN
Specification/standard Data
81349-MIL-R-27426 GOVERNMENT SPECIFICATION
Major Thickness
0.025 INCHES NOMINAL IN
Inside Diameter
0.467 INCHES NOMINAL IN
Casehardening Indicator
NOT CASEHARDENED
Ring Style
SPIRAL
Surface Treatment
PHOSPHATE
Material
STEEL
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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
M2742610100C
2/2Government specification standardization
U.S. Government activity
MIL-DTL-27426
4/1Identification reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 5325 — Fastening Devices
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
RING,RETAINING
5325-00-001-3871
RING,RETAINING
5325-00-001-4317
RING,RETAINING
Related Parts in Hardware and Abrasives
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
FRB7500-6A3
5325-00-001-3842
RING,RETAINING
553575
5325-00-001-3858
RING,RETAINING
5325-00-001-3871
RING,RETAINING
312382
5325-00-001-4317
RING,RETAINING
P27B50
Frequently Asked Questions
What is NSN 5325-01-457-5116?
NSN 5325-01-457-5116 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
What are the specifications of 5325-01-457-5116?
Key specifications for 5325-01-457-5116: Material Hardness Rating: 71.0 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM; Usage Design: EXTERNAL; Cross-Sectional Shape Style: DOUBLE OVAL; Outside Diameter: 0.500 INCHES NOMINAL IN. 11 specifications are documented in the U.S. Government catalog.
Is NSN 5325-01-457-5116 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.