NSN 5340-01-566-4511 · NIIN 015664511 · Part number 6990410
Naval Sea Systems Command · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5340-01-566-4511 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-566-4511. Manufacturer of record part number: 6990410.
Also searched as5340-01-566-4511 ·
5340015664511 ·
NIIN 015664511 ·
01-566-4511 ·
FSC 5340 Hardware, Commercial · CAGE 53711 · 6990410
Supplementary Features: 0.500 INCH WIDE; ALUMINUM ALLOY IN
Segment Style: RETAINER
Segment Quantity: 1
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 5340-01-566-4511
NIIN: 015664511
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 6990410
Manufacturer: Naval Sea Systems Command
General Description
The Segment,grooved,half, cataloged under National Stock Number 5340-01-566-4511, 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 3 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.
Technical Specifications
Parameter
Value
NSN
5340-01-566-4511
Primary Part Number
6990410
Item Name
Segment,grooved,half
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Supplementary Features
0.500 INCH WIDE; ALUMINUM ALLOY IN
Segment Style
RETAINER
Segment Quantity
1
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 5340-01-566-4511?
NSN 5340-01-566-4511 is a Segment,grooved,half, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-566-4511?
NSN 5340-01-566-4511 has 1 manufacturer part number on file: 6990410 (Naval Sea Systems Command).
What are the specifications of 6990410?
Key specifications for 6990410: Supplementary Features: 0.500 INCH WIDE; ALUMINUM ALLOY IN; Segment Style: RETAINER; Special Features: MARKED WITH 53711-6990410; Segment Quantity: 1. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5340-01-566-4511 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.