NSN 5340-01-397-1779 · NIIN 013971779 · Part number BYLB 1222
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 05624
Government record, cited
NSN 5340-01-397-1779 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-397-1779. Manufacturer of record part number: BYLB 1222.
Manufacturer of record: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Identification
NSN: 5340-01-397-1779
NIIN: 013971779
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: BYLB 1222
Manufacturer: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
General Description
The Cover,access, cataloged under National Stock Number 5340-01-397-1779, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. 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. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5340-01-397-1779
Primary Part Number
BYLB 1222
Item Name
Cover,access
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Status
ACTIVE
Material
ALUMINUM
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (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 5340-01-397-1779?
NSN 5340-01-397-1779 is a Cover,access, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-397-1779?
NSN 5340-01-397-1779 has 1 manufacturer part number on file: BYLB 1222 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
What are the specifications of BYLB 1222?
Key specifications for BYLB 1222: Special Features: THE COVER MATERIAL IS ALUMINUM 6061-T651 PER QQ-A-225/8;; Material: ALUMINUM. 1 specification is documented in the U.S. Government catalog.
Is NSN 5340-01-397-1779 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.