NSN 5133-01-494-6231 · NIIN 014946231 · Part number 20921
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools · FSC 5133 — Drill Bits, Counterbores, and Countersinks: Hand and Machine · FSG 51 — Hand Tools · CAGE 54252
Government record, cited
NSN 5133-01-494-6231 — this item is cataloged by the U.S. Government under National Stock Number 5133-01-494-6231. Manufacturer of record part number: 20921.
Also searched as5133-01-494-6231 ·
5133014946231 ·
NIIN 014946231 ·
01-494-6231 ·
FSC 5133 Drill Bits, Counterbores, and Countersinks: Hand and Machine · CAGE 54252 · 20921 · 47412
Manufacturer of record: Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Identification
NSN: 5133-01-494-6231
NIIN: 014946231
FSC: 5133 — Drill Bits, Counterbores, and Countersinks: Hand and Machine
FSG: 51 — Hand Tools
Primary part number: 20921
Manufacturer: Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
General Description
The Bit,auger, cataloged under National Stock Number 5133-01-494-6231, is classified within Federal Supply Class 5133 (Drill Bits, Counterbores, and Countersinks: Hand and Machine) of the Hand Tools group. The manufacturer of record is Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5133-01-494-6231
Primary Part Number
20921
Item Name
Bit,auger
FSC / FSG
5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine
Manufacturer
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
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
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-01-578-127820921POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Pangborn Gary Marketing Company Inc Dba Gpm Company
5133-01-630-897847412POSSIBLE MATCH
BIT,AUGER
Possible match (shared part number)Irwin Industrial Tool Company
NSN 5133-01-494-6231 is a Bit,auger, manufactured by Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
What part numbers are listed for NSN 5133-01-494-6231?
NSN 5133-01-494-6231 has 2 manufacturer part numbers on file: 20921 (Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools), 47412 (Bst Group B.s.t. Group Aust Pty Ltd).
What NSN replaces 5133-01-494-6231?
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-578-1278, 5133-01-630-8978. Verify interchangeability with system specifications before substitution.
What are the specifications of 20921?
Key specifications for 20921: Part Name Assigned by Controlling Agency: AUGER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5133-01-494-6231 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.