Outside Diameter: 1.921 INCHES MINIMUM AND 1.950 INCHES MAXIMUM IN
Material Thickness: 0.062 INCHES NOMINAL IN
Material: STEEL COMP 303 OVERALL
Hole Diameter: 1.260 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
Identification
NSN: 5310-00-577-8736
NIIN: 005778736
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Washer,lock, cataloged under National Stock Number 5310-00-577-8736, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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
5310-00-577-8736
Item Name
Washer,lock
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Style Designator
FLAT INTERNAL TEETH
Outside Diameter
1.921 INCHES MINIMUM AND 1.950 INCHES MAXIMUM IN
Material Thickness
0.062 INCHES NOMINAL IN
Material
STEEL COMP 303 OVERALL
Hole Diameter
1.260 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN
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
28286
3/2Design control — primary reference
U.S. Government activity
1740-01-00-4802
5/9Secondary reference
Itw Shakeproof Automotive Products
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
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 5310-00-577-8736?
NSN 5310-00-577-8736 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
What are the specifications of 5310-00-577-8736?
Key specifications for 5310-00-577-8736: Style Designator: FLAT INTERNAL TEETH; Outside Diameter: 1.921 INCHES MINIMUM AND 1.950 INCHES MAXIMUM IN; Material Thickness: 0.062 INCHES NOMINAL IN; Material: STEEL COMP 303 OVERALL. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-577-8736 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.