NSN 5305-01-040-5589 · NIIN 010405589 · Part number 6866644-2
Lockheed Martin Corporation Div Rotary and Mission Systems · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 03640
Government record, cited
NSN 5305-01-040-5589 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-040-5589. Manufacturer of record part number: 6866644-2.
Also searched as5305-01-040-5589 ·
5305010405589 ·
NIIN 010405589 ·
01-040-5589 ·
FSC 5305 Screws · CAGE 03640 · 6866644-2
Surface Treatment Document and Classification: MIL-C-13924,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
Surface Treatment: OXIDE OVERALL
Material: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL
Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
1 manufacturer part number on file
Manufacturer of record: Lockheed Martin Corporation Div Rotary and Mission Systems
Identification
NSN: 5305-01-040-5589
NIIN: 010405589
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 6866644-2
Manufacturer: Lockheed Martin Corporation Div Rotary and Mission Systems
General Description
The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-040-5589, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 5 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
5305-01-040-5589
Primary Part Number
6866644-2
Item Name
Screw,externally Relieved Body
FSC / FSG
5305 / 53 — Screws
Manufacturer
Lockheed Martin Corporation Div Rotary and Mission Systems
Status
ACTIVE
Surface Treatment Document and Classification
MIL-C-13924,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and Classification
QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
Surface Treatment
OXIDE OVERALL
Material
STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL
Lockheed Martin Corporation Div Rotary and Mission Systems (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.
5305-00-001-5016
5305-00-001-5016 · Item name not on file
5305-00-001-9160
5305-00-001-9160 · Item name not on file
5305-00-001-9629
SCREW,ADJUSTING CLEVIS
5305-00-001-9742
5305-00-001-9742 · Item name not on file
5305-00-001-9768
SCREW,CAP,SOCKET HEAD
5305-00-003-4306
SCREW,MACHINE
5305-00-003-6694
5305-00-003-6694 · Item name not on file
5305-00-003-6753
5305-00-003-6753 · Item name not on file
Frequently Asked Questions
What is NSN 5305-01-040-5589?
NSN 5305-01-040-5589 is a Screw,externally Relieved Body, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-040-5589?
NSN 5305-01-040-5589 has 1 manufacturer part number on file: 6866644-2 (Lockheed Martin Corporation Div Rotary and Mission Systems).
What are the specifications of 6866644-2?
Key specifications for 6866644-2: Surface Treatment Document and Classification: MIL-C-13924,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL; Surface Treatment: OXIDE OVERALL; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5305-01-040-5589 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.