NSN 5305-01-021-3729 · NIIN 010213729 · Part number BYRF321
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 05624
Government record, cited
NSN 5305-01-021-3729 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-021-3729. Manufacturer of record part number: BYRF321.
Also searched as5305-01-021-3729 ·
5305010213729 ·
NIIN 010213729 ·
01-021-3729 ·
FSC 5305 Screws · CAGE 05624 · BYRF321
Manufacturer of record: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Identification
NSN: 5305-01-021-3729
NIIN: 010213729
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: BYRF321
Manufacturer: Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
General Description
The Screw,machine, cataloged under National Stock Number 5305-01-021-3729, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. 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
5305-01-021-3729
Primary Part Number
BYRF321
Item Name
Screw,machine
FSC / FSG
5305 / 53 — Screws
Manufacturer
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
No interchangeability data on file.
Other items in FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-1397
5305-00-000-1397 · Item name not on file
5305-00-000-2625
5305-00-000-2625 · Item name not on file
5305-00-000-3669
5305-00-000-3669 · Item name not on file
5305-00-000-3830
5305-00-000-3830 · Item name not on file
5305-00-000-3831
5305-00-000-3831 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-021-3729?
NSN 5305-01-021-3729 is a Screw,machine, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-021-3729?
NSN 5305-01-021-3729 has 1 manufacturer part number on file: BYRF321 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
What are the specifications of BYRF321?
Key specifications for BYRF321: Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-021-3729 hazardous material?
No hazard code in the DLA record (HMIC N). 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.