PartsTable TECHNICAL DATA SHEET
NSN 5306-00-536-9679Government record, cited

Bolt, Externally Relieved Body5306-00-536-9679

NSN 5306-00-536-9679 · NIIN 005369679 · Part number 2K4177
Caterpillar Inc Div Caterpillar Defense · FSC 5306 — Bolts · FSG 53 — Hardware and Abrasives · CAGE 11083
Government record, cited
NSN 5306-00-536-9679 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-536-9679. Manufacturer of record part number: 2K4177.
Also searched as  5306-00-536-9679 · 5306005369679 · NIIN 005369679 · 00-536-9679 · FSC 5306 Bolts · CAGE 11083 · 2K4177
Nearby stock numbers  ·
Features
  • Bolt,externally Relieved Body — FSC 5306
  • Fastener Length: 4.688 INCHES NOMINAL IN
  • Thread Length: 0.875 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.625 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Width Between Flats: 0.938 INCHES NOMINAL IN
  • Askewed Head Angle: 90.0 DEGREES NOMINAL
  • Thread Class: 2A A
Identification
  • NSN: 5306-00-536-9679
  • NIIN: 005369679
  • FSC: 5306 — Bolts
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 2K4177
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-536-9679, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-536-9679
Primary Part Number2K4177
Item NameBolt,externally Relieved Body
FSC / FSG5306 / 53 — Bolts
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Fastener Length4.688 INCHES NOMINAL IN
Thread Length0.875 INCHES NOMINAL IN
Nominal Thread Diameter0.625 INCHES IN
Thread DirectionRIGHT-HAND
Width Between Flats0.938 INCHES NOMINAL IN
Askewed Head Angle90.0 DEGREES NOMINAL
Thread Class2A A
Thread Quantity Per Inch11
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
2K4177 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
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 5306-00-536-9679?

NSN 5306-00-536-9679 is a Bolt,externally Relieved Body, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306, Bolts. Status: active.

What part numbers are listed for NSN 5306-00-536-9679?

NSN 5306-00-536-9679 has 1 manufacturer part number on file: 2K4177 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 2K4177?

Key specifications for 2K4177: Fastener Length: 4.688 INCHES NOMINAL IN; Thread Length: 0.875 INCHES NOMINAL IN; Nominal Thread Diameter: 0.625 INCHES IN; Thread Direction: RIGHT-HAND. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5306-00-536-9679 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.
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