PartsTable TECHNICAL DATA SHEET

NSN 6540-01-421-5532Government record, cited

Bulb, Ophthalmoscope6540-01-421-5532

NSN 6540-01-421-5532 · NIIN 014215532 · Part number TM-AC658

Trillamed Llc · FSC 6540 — Ophthalmic Instruments, Equipment, and Supplies · FSG 65 — Medical, Dental, and Veterinary Equipment · CAGE 56FN2

Government record, cited

NSN 6540-01-421-5532 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-421-5532. Manufacturer of record part number: TM-AC658.

Also searched as 6540-01-421-5532 · 6540014215532 · NIIN 014215532 · 01-421-5532 · FSC 6540 Ophthalmic Instruments, Equipment, and Supplies · CAGE 56FN2 · TM-AC658 · LLH402697 · NAVY 1993 3138 · AC658

Nearby stock numbers ← 6540-01-421-5495 Hygrobath, Ophthalmo · 6540-01-421-5795 Phorometer, Ophthalmic →

Features

Bulb,ophthalmoscope — FSC 6540
2 manufacturer part numbers on file
Manufacturer of record: Trillamed Llc

Identification

NSN: 6540-01-421-5532
NIIN: 014215532
FSC: 6540 — Ophthalmic Instruments, Equipment, and Supplies
FSG: 65 — Medical, Dental, and Veterinary Equipment
Primary part number: TM-AC658
Manufacturer: Trillamed Llc

General Description

The Bulb,ophthalmoscope, cataloged under National Stock Number 6540-01-421-5532, 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 Trillamed Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications

Parameter	Value
NSN	6540-01-421-5532
Primary Part Number	TM-AC658
Item Name	Bulb,ophthalmoscope
FSC / FSG	6540 / 65 — Ophthalmic Instruments, Equipment, and Supplies
Manufacturer	Trillamed Llc
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
Unit of Issue	EA

Cross-Reference Index

Part Number	Manufacturer
TM-AC658 PRIMARY	Trillamed Llc (USA)
AC658 PRIMARY	Aesculap, Inc (USA)

Reference documents

Reference	Meaning
LLH402697	5/1 Secondary reference Naval Medical Material Support Command Detachment
NAVY 1993 3138	5/1 Secondary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 6540 — Ophthalmic Instruments, Equipment, and Supplies

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

6540-00-001-0100

6540-00-001-0100 · Item name not on file

6540-00-001-0101

LENS,OPHTHALMIC,SPHERE

6540-00-001-0101

LENS,OPHTHALMIC,SPHERE

6540-00-001-0102

6540-00-001-0102 · Item name not on file

6540-00-001-0103

6540-00-001-0103 · Item name not on file

6540-00-001-0104

6540-00-001-0104 · Item name not on file

6540-00-001-0105

6540-00-001-0105 · Item name not on file

6540-00-001-0106

6540-00-001-0106 · Item name not on file

Frequently Asked Questions

What is NSN 6540-01-421-5532?

NSN 6540-01-421-5532 is a Bulb,ophthalmoscope, manufactured by Trillamed Llc, classified under FSC 6540, Ophthalmic Instruments, Equipment, and Supplies. Status: active.

What part numbers are listed for NSN 6540-01-421-5532?

NSN 6540-01-421-5532 has 2 manufacturer part numbers on file: TM-AC658 (Trillamed Llc), AC658 (Aesculap, Inc).

What are the specifications of TM-AC658?

Key specifications for TM-AC658: Part Name Assigned by Controlling Agency: BULB OPHTHALMOSCOPE. 0 specifications are documented in the U.S. Government catalog.

Is NSN 6540-01-421-5532 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.

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