NSN 5325-01-328-4742 · NIIN 013284742 · Part number 90177A221
Mcmaster-Carr Supply Co · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 39428
Government record, cited
NSN 5325-01-328-4742 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-328-4742. Manufacturer of record part number: 90177A221.
The Ring,retaining, cataloged under National Stock Number 5325-01-328-4742, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Us Army Combat Surveillance and Target Acquisition Laboratory
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
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 5325-01-328-4742?
NSN 5325-01-328-4742 is a Ring,retaining, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5325, Fastening Devices. Status: active.
What part numbers are listed for NSN 5325-01-328-4742?
NSN 5325-01-328-4742 has 2 manufacturer part numbers on file: 136578-9 (Cadillac Gage Textron Inc.), 90177A221 (Mcmaster-Carr Supply Co).
What are the specifications of 90177A221?
Key specifications for 90177A221: Usage Design: INTERNAL; Material Diameter: 0.084 INCHES NOMINAL IN; Major Thickness: 0.130 INCHES MAXIMUM IN; Casehardening Indicator: CASEHARDENED. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5325-01-328-4742 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.