Width Across Flats: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Thread Series: UNJC
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.190 INCHES IN
Pilot Diameter: 0.273 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN
Pilot Length: 0.159 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
Nut Height: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Identification
NSN: 5310-01-610-1968
NIIN: 016101968
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Nut,self-Locking,clinch, cataloged under National Stock Number 5310-01-610-1968, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
5310-01-610-1968
Item Name
Nut,self-Locking,clinch
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Width Across Flats
0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Thread Series
UNJC
Thread Direction
RIGHT-HAND
Nominal Thread Size
0.190 INCHES IN
Pilot Diameter
0.273 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN
Pilot Length
0.159 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
Nut Height
0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Nut Style
CLINCH
Thread Class
3
Thread Quantity Per Inch
24
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
MILN45938/85
2/2Government specification standardization
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 5310-01-610-1968?
NSN 5310-01-610-1968 is a Nut,self-Locking,clinch, classified under FSC 5310, Nuts and Washers. Status: active.
What are the specifications of 5310-01-610-1968?
Key specifications for 5310-01-610-1968: Width Across Flats: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Thread Series: UNJC; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.190 INCHES IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-610-1968 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.