Extended Washer Thickness: 0.040 INCHES NOMINAL IN
Head Height: 0.260 INCHES NOMINAL IN
Fastener Length: 0.312 INCHES NOMINAL IN
Extended Washer Diameter: 0.375 INCHES NOMINAL IN
Thread Length: 0.189 INCHES NOMINAL IN
Head Style: DOUBLE HEXAGON EXTENDED WASHER
Width Between Flats: 0.250 INCHES NOMINAL IN
Identification
NSN: 5306-01-049-7334
NIIN: 010497334
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives
General Description
The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-049-7334, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
5306-01-049-7334
Item Name
Bolt,externally Relieved Body
FSC / FSG
5306 / 53 — Bolts
Status
ACTIVE
Extended Washer Thickness
0.040 INCHES NOMINAL IN
Head Height
0.260 INCHES NOMINAL IN
Fastener Length
0.312 INCHES NOMINAL IN
Extended Washer Diameter
0.375 INCHES NOMINAL IN
Thread Length
0.189 INCHES NOMINAL IN
Head Style
DOUBLE HEXAGON EXTENDED WASHER
Width Between Flats
0.250 INCHES NOMINAL IN
Thread Class
3A A
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
MS9574-03
2/2Government specification standardization
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 5306-01-049-7334?
NSN 5306-01-049-7334 is a Bolt,externally Relieved Body, classified under FSC 5306, Bolts. Status: active.
What are the specifications of 5306-01-049-7334?
Key specifications for 5306-01-049-7334: Extended Washer Thickness: 0.040 INCHES NOMINAL IN; Head Height: 0.260 INCHES NOMINAL IN; Fastener Length: 0.312 INCHES NOMINAL IN; Extended Washer Diameter: 0.375 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5306-01-049-7334 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.