Counterbore, Machine5133-01-513-1049

NSN 5133-01-513-1049 · NIIN 015131049

FSC 5133 — Drill Bits, Counterbores, and Countersinks: Hand and Machine · FSG 51 — Hand Tools

Government record, cited

Also searched as 5133-01-513-1049 · 5133015131049 · NIIN 015131049 · 01-513-1049 · FSC 5133 Drill Bits, Counterbores, and Countersinks: Hand and Machine · ATI488C-25 · AT488C-25

Nearby stock numbers ← 5133-01-513-1048 Counterbore, Machine · 5133-01-513-1050 Counterbore, Machine →

Features

Counterbore,machine — FSC 5133
Shank Diameter: 0.250 INCHES NOMINAL IN
Cutting End Style: INTERCHANGEABLE PILOT
Nominal Cutting Diameter: 1.0000 INCHES IN
Shank Style: STRAIGHT ROUND
Pilot Hole Nominal Diameter: 0.188 INCHES IN
Flute Quantity: 4
Material: STEEL COMP M2 OVERALL

Identification

NSN: 5133-01-513-1049
NIIN: 015131049
FSC: 5133 — Drill Bits, Counterbores, and Countersinks: Hand and Machine
FSG: 51 — Hand Tools

General Description

The Counterbore,machine, cataloged under National Stock Number 5133-01-513-1049, is classified within Federal Supply Class 5133 (Drill Bits, Counterbores, and Countersinks: Hand and Machine) of the Hand Tools group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	5133-01-513-1049
Item Name	Counterbore,machine
FSC / FSG	5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine
Status	ACTIVE
Shank Diameter	0.250 INCHES NOMINAL IN
Cutting End Style	INTERCHANGEABLE PILOT
Nominal Cutting Diameter	1.0000 INCHES IN
Shank Style	STRAIGHT ROUND
Pilot Hole Nominal Diameter	0.188 INCHES IN
Flute Quantity	4
Material	STEEL COMP M2 OVERALL

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
ATI488C-25	3/9 Design control — primary reference Snap-on Incorporated Dba Snap-on Tools Div Snap-on Industrial, Special Products Division
AT488C-25	5/9 Secondary 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 5133-01-513-1049?

NSN 5133-01-513-1049 is a Counterbore,machine, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.

What are the specifications of 5133-01-513-1049?

Key specifications for 5133-01-513-1049: Shank Diameter: 0.250 INCHES NOMINAL IN; Cutting End Style: INTERCHANGEABLE PILOT; Nominal Cutting Diameter: 1.0000 INCHES IN; Shank Style: STRAIGHT ROUND. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5133-01-513-1049 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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