Screw, Cap, Socket Head5305-01-668-3568

NSN 5305-01-668-3568 · NIIN 016683568

FSC 5305 — Screws · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5305-01-668-3568 · 5305016683568 · NIIN 016683568 · 01-668-3568 · FSC 5305 Screws

Nearby stock numbers ← 5305-01-668-3543 Screw, Cap, Hexagon Head · 5305-01-668-3583 Screw, Cap, Socket Head →

5305-01-668-3568 — Screws

Features

Screw,cap,socket Head — FSC 5305
Width Across Flats: 6.0 MILLIMETERS NOMINAL MM
Head Height: 8.0 MILLIMETERS NOMINAL MM
Fastener Length: 55.0 MILLIMETERS NOMINAL MM
Thread Length: 28.0 MILLIMETERS NOMINAL MM
Hole Configuration Style: ROUND INTERNAL HEXAGON
Nominal Thread Diameter: 8.0 INCHES IN
Thread Direction: RIGHT-HAND

Identification

NSN: 5305-01-668-3568
NIIN: 016683568
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives

General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-668-3568, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5305-01-668-3568
Item Name	Screw,cap,socket Head
FSC / FSG	5305 / 53 — Screws
Status	ACTIVE
Width Across Flats	6.0 MILLIMETERS NOMINAL MM
Head Height	8.0 MILLIMETERS NOMINAL MM
Fastener Length	55.0 MILLIMETERS NOMINAL MM
Thread Length	28.0 MILLIMETERS NOMINAL MM
Hole Configuration Style	ROUND INTERNAL HEXAGON
Nominal Thread Diameter	8.0 INCHES IN
Thread Direction	RIGHT-HAND
Internal Drive Style	HEXAGON
Head Diameter	6.0 MILLIMETERS NOMINAL MM

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
03043116	3/9 Design control — primary reference Grove U.s. Llc Dba Grove Us Llc

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 5305-01-668-3568?

NSN 5305-01-668-3568 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.

What are the specifications of 5305-01-668-3568?

Key specifications for 5305-01-668-3568: Width Across Flats: 6.0 MILLIMETERS NOMINAL MM; Head Height: 8.0 MILLIMETERS NOMINAL MM; Fastener Length: 55.0 MILLIMETERS NOMINAL MM; Thread Length: 28.0 MILLIMETERS NOMINAL MM. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-668-3568 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.

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