Material: STEEL COMP 4140 AND STEEL CORROSION RESISTING AND TITANIUM ALLOY UNS R56400 OVERALL
Identification
NSN: 5306-01-641-7268
NIIN: 016417268
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives
General Description
The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-641-7268, is classified within Federal Supply Class 5306 (Bolts) 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
5306-01-641-7268
Item Name
Bolt,close Tolerance
FSC / FSG
5306 / 53 — Bolts
Status
ACTIVE
Head Height
0.083 INCHES NOMINAL IN
Thread Length
0.338 INCHES NOMINAL IN
Nominal Thread Diameter
0.1900 INCHES IN
Head Style
FLUSH
Thread Class
3A A
Thread Quantity Per Inch
32
Material
STEEL COMP 4140 AND STEEL CORROSION RESISTING AND TITANIUM ALLOY UNS R56400 OVERALL
Thread Series Designator
UNIFIED NATIONAL JOINT FINE (UNJF)
Head Diameter
0.381 INCHES NOMINAL 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
NAS1790V3R19A
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276
5306-00-001-1276 · Item name not on file
5306-00-001-1949
5306-00-001-1949 · Item name not on file
5306-00-001-1988
5306-00-001-1988 · Item name not on file
5306-00-001-1989
5306-00-001-1989 · Item name not on file
5306-00-001-1990
5306-00-001-1990 · Item name not on file
5306-00-001-1991
5306-00-001-1991 · Item name not on file
5306-00-001-1993
BOLT,SHEAR
5306-00-001-2017
BOLT,MACHINE
Frequently Asked Questions
What is NSN 5306-01-641-7268?
NSN 5306-01-641-7268 is a Bolt,close Tolerance, classified under FSC 5306, Bolts. Status: active.
What are the specifications of 5306-01-641-7268?
Key specifications for 5306-01-641-7268: Head Height: 0.083 INCHES NOMINAL IN; Thread Length: 0.338 INCHES NOMINAL IN; Nominal Thread Diameter: 0.1900 INCHES IN; Head Style: FLUSH. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5306-01-641-7268 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.