NSN 5310-01-078-2981 · NIIN 010782981 · Part number K91505
The Timken Corporation · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 60038
Government record, cited
NSN 5310-01-078-2981 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-078-2981. Manufacturer of record part number: K91505.
Also searched as5310-01-078-2981 ·
5310010782981 ·
NIIN 010782981 ·
01-078-2981 ·
FSC 5310 Nuts and Washers · CAGE 60038 · K91505
Internal Straight Key Width: 0.176 INCHES NOMINAL IN
Distance From Centerline to Top of Internal Key: 0.407 INCHES NOMINAL IN
Style Designator: KEY
Outside Diameter: 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN
Material Thickness: 0.125 INCHES NOMINAL IN
Material: STEEL OVERALL
Internal Key Quantity: 1
Identification
NSN: 5310-01-078-2981
NIIN: 010782981
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: K91505
Manufacturer: The Timken Corporation
General Description
The Washer,key, cataloged under National Stock Number 5310-01-078-2981, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Timken Corporation. 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. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 5310-01-078-2981?
NSN 5310-01-078-2981 is a Washer,key, manufactured by The Timken Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-078-2981?
NSN 5310-01-078-2981 has 1 manufacturer part number on file: K91505 (The Timken Corporation).
What are the specifications of K91505?
Key specifications for K91505: Internal Straight Key Width: 0.176 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 0.407 INCHES NOMINAL IN; Style Designator: KEY; Outside Diameter: 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-078-2981 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.