NSN 6635-01-643-8273 — this item is cataloged by the U.S. Government under National Stock Number 6635-01-643-8273. Manufacturer of record part number: 3542-025M-010-HT2.
Also searched as6635-01-643-8273 ·
6635016438273 ·
NIIN 016438273 ·
01-643-8273 ·
FSC 6635 Physical Properties Testing and Inspection · CAGE 1BKD8 · 3542-025M-010-HT2
Nearby stock numbers← 6635-01-643-6707 Probe Set, Eddy Current
·
6635-01-643-9229 Test Set, Heat Detector →
Features
Extensometer — FSC 6635
Carrying Case: PROVIDED
1 manufacturer part number on file
Manufacturer of record: Epsilon Technology Corporation
Identification
NSN: 6635-01-643-8273
NIIN: 016438273
FSC: 6635 — Physical Properties Testing and Inspection
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 3542-025M-010-HT2
Manufacturer: Epsilon Technology Corporation
General Description
The Extensometer, cataloged under National Stock Number 6635-01-643-8273, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Epsilon Technology Corporation. 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6635-01-643-8273
Primary Part Number
3542-025M-010-HT2
Item Name
Extensometer
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 6635-01-643-8273?
NSN 6635-01-643-8273 is a Extensometer, manufactured by Epsilon Technology Corporation, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
What part numbers are listed for NSN 6635-01-643-8273?
NSN 6635-01-643-8273 has 1 manufacturer part number on file: 3542-025M-010-HT2 (Epsilon Technology Corporation).
What are the specifications of 3542-025M-010-HT2?
Key specifications for 3542-025M-010-HT2: Carrying Case: PROVIDED; Part Name Assigned by Controlling Agency: AXIAL EXTENSOMETERS. 1 specification is documented in the U.S. Government catalog.
Is NSN 6635-01-643-8273 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.