NSN 6540-00-299-9548 · NIIN 002999548 · Part number M619A
American Optical Co · FSC 6540 — Ophthalmic Instruments, Equipment, and Supplies · FSG 65 — Medical, Dental, and Veterinary Equipment · CAGE 02622
Government record, cited
NSN 6540-00-299-9548 — this item is cataloged by the U.S. Government under National Stock Number 6540-00-299-9548. Manufacturer of record part number: M619A.
Also searched as6540-00-299-9548 ·
6540002999548 ·
NIIN 002999548 ·
00-299-9548 ·
FSC 6540 Ophthalmic Instruments, Equipment, and Supplies · CAGE 02622 · M619A · S8707 · 35.007
Outside Measurement Range: +0.000 TO 15.000 MILLIMETERS MM
Carrying Case: NOT PROVIDED
Fine Adjustment Feature: INCLUDED
2 manufacturer part numbers on file
Identification
NSN: 6540-00-299-9548
NIIN: 002999548
FSC: 6540 — Ophthalmic Instruments, Equipment, and Supplies
FSG: 65 — Medical, Dental, and Veterinary Equipment
Primary part number: M619A
Manufacturer: American Optical Co
General Description
The Gage,thickness,ophthalmic Lens, cataloged under National Stock Number 6540-00-299-9548, is classified within Federal Supply Class 6540 (Ophthalmic Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is American Optical Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
6540-00-299-9548
Primary Part Number
M619A
Item Name
Gage,thickness,ophthalmic Lens
FSC / FSG
6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies
Manufacturer
American Optical Co
Status
ACTIVE
Measurement System
METRIC
Integral Depth Gage
NOT INCLUDED
Additional Integral Jaw Set
NOT INCLUDED
Outside Measurement Range
+0.000 TO 15.000 MILLIMETERS MM
Carrying Case
NOT PROVIDED
Fine Adjustment Feature
INCLUDED
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6625-00-534-466300035-0007POSSIBLE MATCH
POST,BATTERY CONTAC
Possible match (shared part number)Asrc Federal Facilities Logistics, Llc
3010-01-014-5841POSSIBLE MATCH
GEARCASE-MOTOR
Possible match (shared part number)
5310-01-224-401035007POSSIBLE MATCH
NUT,SELF-LOCKING,HEXAGON
Possible match (shared part number)Transdigm Inc
5998-01-370-316435007POSSIBLE MATCH
ELECTRONIC COMPONENTS ASSEMBLY
Possible match (shared part number)Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
Grobet File Company of America, Inc. Dba William Dixon
Related Parts
6625-00-534-4663POSSIBLE MATCH
POST,BATTERY CONTAC
00035-0007
3010-01-014-5841POSSIBLE MATCH
GEARCASE-MOTOR
5310-01-224-4010POSSIBLE MATCH
NUT,SELF-LOCKING,HEXAGON
35007
5998-01-370-3164POSSIBLE MATCH
ELECTRONIC COMPONENTS ASSEMBLY
35007
Frequently Asked Questions
What is NSN 6540-00-299-9548?
NSN 6540-00-299-9548 is a Gage,thickness,ophthalmic Lens, manufactured by American Optical Co, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.
What part numbers are listed for NSN 6540-00-299-9548?
NSN 6540-00-299-9548 has 2 manufacturer part numbers on file: M619A (American Optical Co), S8707 (B. C. Ames Incorporated).
What NSN replaces 6540-00-299-9548?
4 possible matches (shared part number, not a government interchangeability claim): 6625-00-534-4663, 3010-01-014-5841, 5310-01-224-4010. Verify interchangeability with system specifications before substitution.
What are the specifications of M619A?
Key specifications for M619A: Measurement System: METRIC; Integral Depth Gage: NOT INCLUDED; Additional Integral Jaw Set: NOT INCLUDED; Outside Measurement Range: +0.000 TO 15.000 MILLIMETERS MM. 6 specifications are documented in the U.S. Government catalog.
Is NSN 6540-00-299-9548 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.