Boot, Dust and Moisture Seal5340-00-676-4713

NSN 5340-00-676-4713 · NIIN 006764713

FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5340-00-676-4713 · 5340006764713 · NIIN 006764713 · 00-676-4713 · FSC 5340 Hardware, Commercial

Nearby stock numbers ← 5340-00-676-4498 · 5340-00-676-5026 Clip, Retaining →

Features

Boot,dust and Moisture Seal — FSC 5340
FSC Application Data: DIR GUN MK68 AND MK68 M3
Sealing Method: COMPRESSION
Opening Inside Diameter: 0.625 INCHES NOMINAL IN
Body Outside Diameter: 3.875 INCHES NOMINAL IN
Mounting Method: SCREW
Body Height: 2.750 INCHES NOMINAL IN
Style Designator: THRU-HOLE

Identification

NSN: 5340-00-676-4713
NIIN: 006764713
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives

General Description

The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-676-4713, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.

Technical Specifications

Parameter	Value
NSN	5340-00-676-4713
Item Name	Boot,dust and Moisture Seal
FSC / FSG	5340 / 53 — Hardware, Commercial
Status	ACTIVE
FSC Application Data	DIR GUN MK68 AND MK68 M3
Sealing Method	COMPRESSION
Opening Inside Diameter	0.625 INCHES NOMINAL IN
Body Outside Diameter	3.875 INCHES NOMINAL IN
Mounting Method	SCREW
Body Height	2.750 INCHES NOMINAL IN
Style Designator	THRU-HOLE
Mounting Device Quantity	8
Base Outside Diameter	5.125 INCHES NOMINAL IN
Material	RUBBER SYNTHETIC BODY

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
Unit of Issue	EA

Cross-Reference Index

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

Reference documents

Reference	Meaning
1739167	3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier

No interchangeability data on file.

Other items in FSC 5340 — Hardware, Commercial

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

5340-00-000-0068

COVER,ACCESS

5340-00-000-0132

SEAT,HELICAL COMPRESSION SPRING

5340-00-000-8150

5340-00-000-8150 · Item name not on file

5340-00-001-1251

5340-00-001-1251 · Item name not on file

5340-00-001-1264

STRAP,WEBBING

5340-00-001-1265

STRAP,WEBBING

5340-00-001-1266

STRAP,WEBBING

5340-00-001-1275

HANDLE,DOOR

Frequently Asked Questions

What is NSN 5340-00-676-4713?

NSN 5340-00-676-4713 is a Boot,dust and Moisture Seal, classified under FSC 5340, Hardware, Commercial. Status: active.

What are the specifications of 5340-00-676-4713?

Key specifications for 5340-00-676-4713: Overall Height: 3.875 INCHES NOMINAL IN; FSC Application Data: DIR GUN MK68 AND MK68 M3; Sealing Method: COMPRESSION; Opening Inside Diameter: 0.625 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5340-00-676-4713 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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