NSN 5310-01-574-5519 · NIIN 015745519 · Part number 23KP464
Oshkosh Defense Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 75Q65
Government record, cited
NSN 5310-01-574-5519 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-574-5519. Manufacturer of record part number: 23KP464.
Also searched as5310-01-574-5519 ·
5310015745519 ·
NIIN 015745519 ·
01-574-5519 ·
FSC 5310 Nuts and Washers · CAGE 75Q65 · 23KP464 · 90073A009
Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
Closed Outside Diameter: 0.267 INCHES NOMINAL IN
Closed Inside Diameter: 0.174 INCHES NOMINAL IN
2 manufacturer part numbers on file
Manufacturer of record: Oshkosh Defense Llc
Identification
NSN: 5310-01-574-5519
NIIN: 015745519
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 23KP464
Manufacturer: Oshkosh Defense Llc
General Description
The Washer,lock, cataloged under National Stock Number 5310-01-574-5519, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Technical Specifications
Parameter
Value
NSN
5310-01-574-5519
Primary Part Number
23KP464
Item Name
Washer,lock
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Oshkosh Defense Llc
Status
ACTIVE
Hardness Rating
38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-574-5519?
NSN 5310-01-574-5519 is a Washer,lock, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-574-5519?
NSN 5310-01-574-5519 has 2 manufacturer part numbers on file: 90073A009 (Mcmaster-Carr Supply Co), 23KP464 (Oshkosh Defense Llc).
What are the specifications of 23KP464?
Key specifications for 23KP464: Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM; Closed Outside Diameter: 0.267 INCHES NOMINAL IN; Special Features: MATT: STEEL; Part Name Assigned by Controlling Agency: LOCK WASHER. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-574-5519 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.