The Tester,leakage,protective Mask, cataloged under National Stock Number 6665-01-445-7680, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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.
| Parameter | Value |
|---|---|
| NSN | 6665-01-445-7680 |
| Primary Part Number | 3549AS100 |
| Item Name | Tester,leakage,protective Mask |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Functional Description | USED TO PERFORM OPERATIONAL LEAK TEST ON HELMET ASSEMBLY AND COUNTER PRESSURE VEST |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3549AS100 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 6665-01-445-7680 is a Tester,leakage,protective Mask, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-445-7680 has 1 manufacturer part number on file: 3549AS100 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3549AS100: Overall Height: 14.000 INCHES NOMINAL IN; Overall Length: 18.000 INCHES NOMINAL IN; Overall Width: 16.000 INCHES NOMINAL IN; Functional Description: USED TO PERFORM OPERATIONAL LEAK TEST ON HELMET ASSEMBLY AND COUNTER PRESSURE VEST. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.