NSN 5306-01-166-6888 · NIIN 011666888 · Part number A-43910-203
Farr Co · FSC 5306 — Bolts · FSG 53 — Hardware and Abrasives · CAGE 21585
Government record, cited
NSN 5306-01-166-6888 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-166-6888. Manufacturer of record part number: A-43910-203.
Also searched as5306-01-166-6888 ·
5306011666888 ·
NIIN 011666888 ·
01-166-6888 ·
FSC 5306 Bolts · CAGE 21585 · A-43910-203
Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
2 manufacturer part numbers on file
Manufacturer of record: Farr Co
Identification
NSN: 5306-01-166-6888
NIIN: 011666888
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives
Primary part number: A-43910-203
Manufacturer: Farr Co
General Description
The Bolt,machine, cataloged under National Stock Number 5306-01-166-6888, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Farr Co. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Penn Power Group, Llc Dba Penn Commercial Vehicle Solutions (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 5306-01-166-6888?
NSN 5306-01-166-6888 is a Bolt,machine, manufactured by Farr Co, classified under FSC 5306, Bolts. Status: active.
What part numbers are listed for NSN 5306-01-166-6888?
NSN 5306-01-166-6888 has 2 manufacturer part numbers on file: A-43910-203 (Farr Co), A-43910-203 (Penn Power Group, Llc Dba Penn Commercial Vehicle Solutions).
What are the specifications of A-43910-203?
Key specifications for A-43910-203: Fastener Length: 0.750 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES IN; Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 18. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5306-01-166-6888 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.