Bolt, Square Neck5306-00-655-6606

NSN 5306-00-655-6606 · NIIN 006556606

FSC 5306 — Bolts · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5306-00-655-6606 · 5306006556606 · NIIN 006556606 · 00-655-6606 · FSC 5306 Bolts · TC613 · TC613 · TC613

Nearby stock numbers ← 5306-00-655-6588 · 5306-00-655-6607 →

5306-00-655-6606 — Bolts

Features

Bolt,square Neck — FSC 5306
Neck Length: 0.067 INCHES NOMINAL IN
Head Height: 0.125 INCHES NOMINAL IN
Fastener Length: 0.563 INCHES NOMINAL IN
Thread Length: 0.495 INCHES MINIMUM IN
Nominal Thread Diameter: 0.250 INCHES IN
Head Style: BUTTON
Thread Direction: RIGHT-HAND

Identification

NSN: 5306-00-655-6606
NIIN: 006556606
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives

General Description

The Bolt,square Neck, cataloged under National Stock Number 5306-00-655-6606, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5306-00-655-6606
Item Name	Bolt,square Neck
FSC / FSG	5306 / 53 — Bolts
Status	ACTIVE
Neck Length	0.067 INCHES NOMINAL IN
Head Height	0.125 INCHES NOMINAL IN
Fastener Length	0.563 INCHES NOMINAL IN
Thread Length	0.495 INCHES MINIMUM IN
Nominal Thread Diameter	0.250 INCHES IN
Head Style	BUTTON
Thread Direction	RIGHT-HAND
Neck Width	0.250 INCHES NOMINAL IN
Surface Treatment	CADMIUM OVERALL
Thread Class	2A A
Thread Quantity Per Inch	28
Material	STEEL OVERALL
Thread Series Designator	UNF
Head Diameter	0.563 INCHES NOMINAL IN

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
TC613	3/9 Design control — primary reference U.S. Government activity
TC613	5/2 Secondary reference U.S. Government activity
TC613	5/9 Secondary reference Drs Environmental Systems Inc

No interchangeability data on file.

Other items in FSC 5306 — Bolts

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5306-00-001-1276

5306-00-001-1276 · Item name not on file

5306-00-001-1949

5306-00-001-1949 · Item name not on file

5306-00-001-1988

5306-00-001-1988 · Item name not on file

5306-00-001-1989

5306-00-001-1989 · Item name not on file

5306-00-001-1990

5306-00-001-1990 · Item name not on file

5306-00-001-1991

5306-00-001-1991 · Item name not on file

5306-00-001-1993

BOLT,SHEAR

5306-00-001-2017

BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-655-6606?

NSN 5306-00-655-6606 is a Bolt,square Neck, classified under FSC 5306, Bolts. Status: active.

What are the specifications of 5306-00-655-6606?

Key specifications for 5306-00-655-6606: Neck Length: 0.067 INCHES NOMINAL IN; Head Height: 0.125 INCHES NOMINAL IN; Fastener Length: 0.563 INCHES NOMINAL IN; Thread Length: 0.495 INCHES MINIMUM IN. 14 specifications are documented in the U.S. Government catalog.

Is NSN 5306-00-655-6606 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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