NSN 6635-01-264-4565 · NIIN 012644565 · Part number 3981K8
Mcmaster-Carr Supply Co · FSC 6635 — Physical Properties Testing and Inspection · FSG 66 — Instruments and Laboratory Equipment · CAGE 39428
Government record, cited
NSN 6635-01-264-4565 — this item is cataloged by the U.S. Government under National Stock Number 6635-01-264-4565. Manufacturer of record part number: 3981K8.
Also searched as6635-01-264-4565 ·
6635012644565 ·
NIIN 012644565 ·
01-264-4565 ·
FSC 6635 Physical Properties Testing and Inspection · CAGE 39428 · 3981K8 · 3981K3
General Characteristics Item Description: 0.050 IN. TO 0.250 IN. GAGE IN
1 manufacturer part number on file
Manufacturer of record: Mcmaster-Carr Supply Co
Identification
NSN: 6635-01-264-4565
NIIN: 012644565
FSC: 6635 — Physical Properties Testing and Inspection
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 3981K8
Manufacturer: Mcmaster-Carr Supply Co
General Description
The Inspection Kit,fuel, cataloged under National Stock Number 6635-01-264-4565, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6635-01-264-4565
Primary Part Number
3981K8
Item Name
Inspection Kit,fuel
FSC / FSG
6635 / 66 — Physical Properties Testing and Inspection
Other items in FSC 6635 — Physical Properties Testing and Inspection
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6635-00-000-0133
X-RAY APPARATUS,RADIOGRAPHIC,IND
6635-00-001-1523
FILM,RADIOGRAPHIC
6635-00-001-2317
6635-00-001-2317 · Item name not on file
6635-00-001-2318
6635-00-001-2318 · Item name not on file
6635-00-003-0281
TESTER,TORQUE WRENCH
6635-00-003-0282
CALIBRATOR,TORQUE
6635-00-003-0284
CALIBRATOR,TORQUE
6635-00-003-1193
6635-00-003-1193 · Item name not on file
Frequently Asked Questions
What is NSN 6635-01-264-4565?
NSN 6635-01-264-4565 is a Inspection Kit,fuel, manufactured by Mcmaster-Carr Supply Co, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
What part numbers are listed for NSN 6635-01-264-4565?
NSN 6635-01-264-4565 has 1 manufacturer part number on file: 3981K8 (Mcmaster-Carr Supply Co).
What are the specifications of 3981K8?
Key specifications for 3981K8: General Characteristics Item Description: 0.050 IN. TO 0.250 IN. GAGE IN; End Item Identification: MCMASTER CARR TEST KIT FOR OIL BURNERS. 1 specification is documented in the U.S. Government catalog.
Is NSN 6635-01-264-4565 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.