Nut Counterbore Depth: 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM NUT IN
Drive Point Width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Thread Direction: RIGHT-HAND
Nut Diameter: 1.330 INCHES MINIMUM AND 1.350 INCHES MAXIMUM IN
Counterbore Diameter: 0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM NUT IN
Nut Thickness: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Small End Diameter: 0.990 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
Identification
NSN: 5310-01-030-2278
NIIN: 010302278
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Nut,plain,round, cataloged under National Stock Number 5310-01-030-2278, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
5310-01-030-2278
Item Name
Nut,plain,round
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Nut Counterbore Depth
0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM NUT IN
Drive Point Width
0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Thread Direction
RIGHT-HAND
Nut Diameter
1.330 INCHES MINIMUM AND 1.350 INCHES MAXIMUM IN
Counterbore Diameter
0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM NUT IN
Nut Thickness
0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Small End Diameter
0.990 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
Drive Point Quantity
3
Thread Class
2B
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
367447-1
3/2Design control — primary reference
U.S. Government activity
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 5310-01-030-2278?
NSN 5310-01-030-2278 is a Nut,plain,round, classified under FSC 5310, Nuts and Washers. Status: active.
What are the specifications of 5310-01-030-2278?
Key specifications for 5310-01-030-2278: Nut Counterbore Depth: 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM NUT IN; Drive Point Width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Nut Diameter: 1.330 INCHES MINIMUM AND 1.350 INCHES MAXIMUM IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-030-2278 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.