Plate, Mounting, Airduct and Conne4240-00-688-9728

NSN 4240-00-688-9728 · NIIN 006889728

FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment

Government record, cited

Also searched as 4240-00-688-9728 · 4240006889728 · NIIN 006889728 · 00-688-9728 · FSC 4240 Safety and Rescue Equipment

Nearby stock numbers ← 4240-00-684-7551 · 4240-00-688-9752 Plate, Mounting, Aird →

Features

Plate,mounting,airduct and Conne — FSC 4240
General Characteristics Item Description: PLATE,STEEL,0.062 IN.THK;12.000 IN.O.D;7.880 IN.I.D;6 EQUALLY SPACED HOLES;0.281 IN.DIA;ON 11.000 IN;CIRCLE HAS 1 HOLE;1.062 IN.DIA;FLANGE(98625,MFF-571D-800-SW)0.750 IN.THK.WELDED ON,PAINTED O.D. IN

Identification

NSN: 4240-00-688-9728
NIIN: 006889728
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment

General Description

The Plate,mounting,airduct and Conne, cataloged under National Stock Number 4240-00-688-9728, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4240-00-688-9728
Item Name	Plate,mounting,airduct and Conne
FSC / FSG	4240 / 42 — Safety and Rescue Equipment
Status	ACTIVE
General Characteristics Item Description	PLATE,STEEL,0.062 IN.THK;12.000 IN.O.D;7.880 IN.I.D;6 EQUALLY SPACED HOLES;0.281 IN.DIA;ON 11.000 IN;CIRCLE HAS 1 HOLE;1.062 IN.DIA;FLANGE(98625,MFF-571D-800-SW)0.750 IN.THK.WELDED ON,PAINTED O.D. IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
D5-19-4881	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4240 — Safety and Rescue Equipment

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

4240-00-001-1515

4240-00-001-1515 · Item name not on file

4240-00-001-2684

4240-00-001-2684 · Item name not on file

4240-00-006-0022

HOSE,EVACUATION

4240-00-007-4576

4240-00-007-4576 · Item name not on file

4240-00-007-8182

4240-00-007-8182 · Item name not on file

4240-00-007-8183

4240-00-007-8183 · Item name not on file

4240-00-007-8184

4240-00-007-8184 · Item name not on file

4240-00-007-8185

4240-00-007-8185 · Item name not on file

Frequently Asked Questions

What is NSN 4240-00-688-9728?

NSN 4240-00-688-9728 is a Plate,mounting,airduct and Conne, classified under FSC 4240, Safety and Rescue Equipment. Status: active.

What are the specifications of 4240-00-688-9728?

Key specifications for 4240-00-688-9728: General Characteristics Item Description: PLATE,STEEL,0.062 IN.THK;12.000 IN.O.D;7.880 IN.I.D;6 EQUALLY SPACED HOLES;0.281 IN.DIA;ON 11.000 IN;CIRCLE HAS 1 HOLE;1.062 IN.DIA;FLANGE(98625,MFF-571D-800-SW)0.750 IN.THK.WELDED ON,PAINTED O.D. IN; End Item Identification: 4240-00-854-4144. 1 specification is documented in the U.S. Government catalog.

Is NSN 4240-00-688-9728 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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