Bolt, Square Neck5306-01-615-6198

NSN 5306-01-615-6198 · NIIN 016156198 · Part number 90185A638

Mcmaster-Carr Supply Co · FSC 5306 — Bolts · FSG 53 — Hardware and Abrasives · CAGE 0KVE6

Government record, cited

NSN 5306-01-615-6198 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-615-6198. Manufacturer of record part number: 90185A638.

Also searched as 5306-01-615-6198 · 5306016156198 · NIIN 016156198 · 01-615-6198 · FSC 5306 Bolts · CAGE 0KVE6 · 90185A638

Nearby stock numbers ← 5306-01-615-6129 Bolt, Machine · 5306-01-615-6379 Bolt, Eye →

5306-01-615-6198 — Bolts

Features

Bolt,square Neck — FSC 5306
Neck Length: 0.219 INCHES NOMINAL IN
Head Height: 0.208 INCHES NOMINAL IN
Fastener Length: 3.50 INCHES NOMINAL IN
Thread Length: 3.50 INCHES NOMINAL IN
Nominal Thread Diameter: 0.375 INCHES IN
Head Style: TRUSS
Thread Direction: RIGHT-HAND

Identification

NSN: 5306-01-615-6198
NIIN: 016156198
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives
Primary part number: 90185A638
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Bolt,square Neck, cataloged under National Stock Number 5306-01-615-6198, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 14 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	5306-01-615-6198
Primary Part Number	90185A638
Item Name	Bolt,square Neck
FSC / FSG	5306 / 53 — Bolts
Manufacturer	Mcmaster-Carr Supply Co
Status	ACTIVE
Neck Length	0.219 INCHES NOMINAL IN
Head Height	0.208 INCHES NOMINAL IN
Fastener Length	3.50 INCHES NOMINAL IN
Thread Length	3.50 INCHES NOMINAL IN
Nominal Thread Diameter	0.375 INCHES IN
Head Style	TRUSS
Thread Direction	RIGHT-HAND
Neck Width	0.388 INCHES NOMINAL IN
Surface Treatment	ZINC OVERALL
Thread Class	2A A
Thread Quantity Per Inch	16
Material	STEEL OVERALL
Thread Series Designator	UNIFIED NATIONAL COARSE (UNC)
Head Diameter	0.844 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

Part Number	Manufacturer
90185A638 PRIMARY	Mcmaster-Carr Supply Co (USA)

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 5306-01-615-6198?

NSN 5306-01-615-6198 is a Bolt,square Neck, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5306, Bolts. Status: active.

What part numbers are listed for NSN 5306-01-615-6198?

NSN 5306-01-615-6198 has 1 manufacturer part number on file: 90185A638 (Mcmaster-Carr Supply Co).

What are the specifications of 90185A638?

Key specifications for 90185A638: Neck Length: 0.219 INCHES NOMINAL IN; Head Height: 0.208 INCHES NOMINAL IN; Fastener Length: 3.50 INCHES NOMINAL IN; Thread Length: 3.50 INCHES NOMINAL IN. 14 specifications are documented in the U.S. Government catalog.

Is NSN 5306-01-615-6198 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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