Bolt, Internal Wrenching5306-01-658-8521

NSN 5306-01-658-8521 · NIIN 016588521 · Part number WC331K8-8

West Coast Aerospace, Inc. · FSC 5306 — Bolts · FSG 53 — Hardware and Abrasives · CAGE 60516

Government record, cited

NSN 5306-01-658-8521 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-658-8521. Manufacturer of record part number: WC331K8-8.

Also searched as 5306-01-658-8521 · 5306016588521 · NIIN 016588521 · 01-658-8521 · FSC 5306 Bolts · CAGE 60516 · WC331K8-8

Nearby stock numbers ← 5306-01-658-8494 Rod, Continuous Thread · 5306-01-658-8750 Bolt, Eye →

5306-01-658-8521 — Bolts

Features

Bolt,internal Wrenching — FSC 5306
1 manufacturer part number on file
Manufacturer of record: West Coast Aerospace, Inc.

Identification

NSN: 5306-01-658-8521
NIIN: 016588521
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives
Primary part number: WC331K8-8
Manufacturer: West Coast Aerospace, Inc.

General Description

The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-658-8521, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is West Coast Aerospace, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Bolt,internal Wrenching
FSC / FSG	5306 — Bolts (FSG 53)
Manufacturers	West Coast Aerospace, Inc. (CAGE 60516)

Technical Specifications

Parameter	Value
NSN	5306-01-658-8521
Primary Part Number	WC331K8-8
Item Name	Bolt,internal Wrenching
FSC / FSG	5306 / 53 — Bolts
Manufacturer	West Coast Aerospace, Inc.
Status	ACTIVE

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
WC331K8-8 PRIMARY	West Coast Aerospace, Inc. (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 5306-01-658-8521?

NSN 5306-01-658-8521 is a Bolt,internal Wrenching, manufactured by West Coast Aerospace, Inc., classified under FSC 5306, Bolts. Status: active.

What part numbers are listed for NSN 5306-01-658-8521?

NSN 5306-01-658-8521 has 1 manufacturer part number on file: WC331K8-8 (West Coast Aerospace, Inc.).

Is NSN 5306-01-658-8521 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.

PartsTable Design LLC · partstable.com