Outside Diameter: 4.110 INCHES MINIMUM AND 4.115 INCHES MAXIMUM IN
Material Thickness: 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
Material: PLASTIC POLYURETHANE OVERALL
Hole Diameter: 3.247 INCHES MINIMUM AND 3.248 INCHES MAXIMUM IN
Recess Angle: 7.0 DEGREES MINIMUM AND 13.0 DEGREES MAXIMUM
Identification
NSN: 5310-00-210-2155
NIIN: 002102155
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Washer,recessed, cataloged under National Stock Number 5310-00-210-2155, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
5310-00-210-2155
Item Name
Washer,recessed
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Style Designator
RECESSED
Outside Diameter
4.110 INCHES MINIMUM AND 4.115 INCHES MAXIMUM IN
Material Thickness
0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
Material
PLASTIC POLYURETHANE OVERALL
Hole Diameter
3.247 INCHES MINIMUM AND 3.248 INCHES MAXIMUM IN
Recess Angle
7.0 DEGREES MINIMUM AND 13.0 DEGREES MAXIMUM
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
734914PC123
3/9Design control — primary reference
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
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 5310-00-210-2155?
NSN 5310-00-210-2155 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
What are the specifications of 5310-00-210-2155?
Key specifications for 5310-00-210-2155: Style Designator: RECESSED; Outside Diameter: 4.110 INCHES MINIMUM AND 4.115 INCHES MAXIMUM IN; Material Thickness: 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN; Material: PLASTIC POLYURETHANE OVERALL. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-210-2155 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.