Bumper5340-01-509-7731

NSN 5340-01-509-7731 · NIIN 015097731 · Part number 6390838-02

Naval Sea Systems Command · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 53711

Government record, cited

NSN 5340-01-509-7731 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-509-7731. Manufacturer of record part number: 6390838-02.

Also searched as 5340-01-509-7731 · 5340015097731 · NIIN 015097731 · 01-509-7731 · FSC 5340 Hardware, Commercial · CAGE 53711 · 6390838-02

Nearby stock numbers ← 5340-01-509-7722 Cover, Protective, Dust and Moistu · 5340-01-509-7763 Bracket, Mounting →

Features

Bumper — FSC 5340
Outside/top Flange Diameter: 1.750 INCHES NOMINAL IN
Shank Length: 0.380 INCHES NOMINAL IN
Style Designator: FLAT RECESSED TOP THREADED STUD
Material: PLASTIC
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 5340-01-509-7731
NIIN: 015097731
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 6390838-02
Manufacturer: Naval Sea Systems Command

General Description

The Bumper, cataloged under National Stock Number 5340-01-509-7731, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 specifications, 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. Unit of issue: EA.

Technical Specifications

Parameter	Value
NSN	5340-01-509-7731
Primary Part Number	6390838-02
Item Name	Bumper
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Naval Sea Systems Command
Status	ACTIVE
Outside/top Flange Diameter	1.750 INCHES NOMINAL IN
Shank Length	0.380 INCHES NOMINAL IN
Style Designator	FLAT RECESSED TOP THREADED STUD
Material	PLASTIC

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

Part Number	Manufacturer
6390838-02 PRIMARY	Naval Sea Systems Command (USA)

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 5340-01-509-7731?

NSN 5340-01-509-7731 is a Bumper, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-509-7731?

NSN 5340-01-509-7731 has 1 manufacturer part number on file: 6390838-02 (Naval Sea Systems Command).

What are the specifications of 6390838-02?

Key specifications for 6390838-02: Overall Height: 1.340 INCHES NOMINAL IN; Outside/top Flange Diameter: 1.750 INCHES NOMINAL IN; Shank Length: 0.380 INCHES NOMINAL IN; Style Designator: FLAT RECESSED TOP THREADED STUD. 4 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-509-7731 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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