FSC 5133 — Drill Bits, Counterbores, and Countersinks: Hand and Machine · FSG 51 — Hand Tools
Government record, cited
Also searched as5133-01-503-1861 ·
5133015031861 ·
NIIN 015031861 ·
01-503-1861 ·
FSC 5133 Drill Bits, Counterbores, and Countersinks: Hand and Machine · AT420A · AT420A
FSC: 5133 — Drill Bits, Counterbores, and Countersinks: Hand and Machine
FSG: 51 — Hand Tools
General Description
The Countersink, cataloged under National Stock Number 5133-01-503-1861, is classified within Federal Supply Class 5133 (Drill Bits, Counterbores, and Countersinks: Hand and Machine) of the Hand Tools group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5133-01-503-1861
Item Name
Countersink
FSC / FSG
5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine
Status
ACTIVE
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
AT420A
C/1Advisory reference — outside the item-of-supply concept
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
AT420A
3/9Design control — primary reference
Snap-on Incorporated Dba Snap-on Tools Div Snap-on Industrial, Special Products Division
No interchangeability data on file.
Other items in FSC 5133 — Drill Bits, Counterbores, and Countersinks: Hand and Machine
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5133-00-001-1296
5133-00-001-1296 · Item name not on file
5133-00-001-1298
5133-00-001-1298 · Item name not on file
5133-00-005-2258
5133-00-005-2258 · Item name not on file
5133-00-005-7727
5133-00-005-7727 · Item name not on file
5133-00-005-8710
5133-00-005-8710 · Item name not on file
5133-00-005-8711
5133-00-005-8711 · Item name not on file
5133-00-005-8712
5133-00-005-8712 · Item name not on file
5133-00-005-8713
5133-00-005-8713 · Item name not on file
Frequently Asked Questions
What is NSN 5133-01-503-1861?
NSN 5133-01-503-1861 is a Countersink, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
What are the specifications of 5133-01-503-1861?
Key specifications for 5133-01-503-1861: Part Name Assigned by Controlling Agency: COUNTERSINK TOOL. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5133-01-503-1861 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.