NSN 3460-01-665-7129 · NIIN 016657129 · Part number AT441HS-SPEC-B
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · FSC 3460 — Machine Tool Accessories · FSG 34 — Metalworking Machinery (continued) · CAGE 55719
Government record, cited
NSN 3460-01-665-7129 — this item is cataloged by the U.S. Government under National Stock Number 3460-01-665-7129. Manufacturer of record part number: AT441HS-SPEC-B.
Cutter Diameter Range: +0.0010 TO 0.3125 INCHES IN
Design Type: CUTTING-OFF
Shank Type: ROUND
Cutter Drive Type for Which Designed: THREADED
1 manufacturer part number on file
Manufacturer of record: Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Identification
NSN: 3460-01-665-7129
NIIN: 016657129
FSC: 3460 — Machine Tool Accessories
FSG: 34 — Metalworking Machinery (continued)
Primary part number: AT441HS-SPEC-B
Manufacturer: Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
General Description
The Holder,countersink, cataloged under National Stock Number 3460-01-665-7129, is classified within Federal Supply Class 3460 (Machine Tool Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 5 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
Parameter
Value
NSN
3460-01-665-7129
Primary Part Number
AT441HS-SPEC-B
Item Name
Holder,countersink
FSC / FSG
3460 / 34 — Machine Tool Accessories
Manufacturer
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
No interchangeability data on file.
Other items in FSC 3460 — Machine Tool Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3460-00-001-1300
3460-00-001-1300 · Item name not on file
3460-00-001-7871
3460-00-001-7871 · Item name not on file
3460-00-001-9259
3460-00-001-9259 · Item name not on file
3460-00-003-1938
3460-00-003-1938 · Item name not on file
3460-00-003-3354
3460-00-003-3354 · Item name not on file
3460-00-003-7100
CLAMP,MACHINE,HOLD DOWN
3460-00-004-1003
WHEEL,ABRASIVE
3460-00-004-3825
3460-00-004-3825 · Item name not on file
Frequently Asked Questions
What is NSN 3460-01-665-7129?
NSN 3460-01-665-7129 is a Holder,countersink, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 3460, Machine Tool Accessories. Status: active.
What part numbers are listed for NSN 3460-01-665-7129?
NSN 3460-01-665-7129 has 1 manufacturer part number on file: AT441HS-SPEC-B (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).
What are the specifications of AT441HS-SPEC-B?
Key specifications for AT441HS-SPEC-B: Shank Diameter: 0.25 INCHES NOMINAL IN; Cutter Diameter Range: +0.0010 TO 0.3125 INCHES IN; Design Type: CUTTING-OFF; Shank Type: ROUND. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3460-01-665-7129 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.