Bolt, Square Neck5306-01-681-0721

NSN 5306-01-681-0721 · NIIN 016810721 · Part number WSC-6SP

Weldsale Co Llc · FSC 5306 — Bolts · FSG 53 — Hardware and Abrasives · CAGE 4RE41

Government record, cited

NSN 5306-01-681-0721 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-681-0721. Manufacturer of record part number: WSC-6SP.

Also searched as 5306-01-681-0721 · 5306016810721 · NIIN 016810721 · 01-681-0721 · FSC 5306 Bolts · CAGE 4RE41 · WSC-6SP

Nearby stock numbers ← 5306-01-681-0680 Bolt, Shear · 5306-01-681-0817 Bolt, Machine →

5306-01-681-0721 — Bolts

Features

Bolt,square Neck — FSC 5306
Nominal Thread Diameter: 10.0 INCHES IN
1 manufacturer part number on file
Manufacturer of record: Weldsale Co Llc

Identification

NSN: 5306-01-681-0721
NIIN: 016810721
FSC: 5306 — Bolts
FSG: 53 — Hardware and Abrasives
Primary part number: WSC-6SP
Manufacturer: Weldsale Co Llc

General Description

The Bolt,square Neck, cataloged under National Stock Number 5306-01-681-0721, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Weldsale Co Llc. Government technical data includes 1 specification, 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	5306-01-681-0721
Primary Part Number	WSC-6SP
Item Name	Bolt,square Neck
FSC / FSG	5306 / 53 — Bolts
Manufacturer	Weldsale Co Llc
Status	ACTIVE
Nominal Thread Diameter	10.0 INCHES 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
WSC-6SP PRIMARY	Weldsale Co Llc (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 5306-01-681-0721?

NSN 5306-01-681-0721 is a Bolt,square Neck, manufactured by Weldsale Co Llc, classified under FSC 5306, Bolts. Status: active.

What part numbers are listed for NSN 5306-01-681-0721?

NSN 5306-01-681-0721 has 1 manufacturer part number on file: WSC-6SP (Weldsale Co Llc).

What are the specifications of WSC-6SP?

Key specifications for WSC-6SP: Nominal Thread Diameter: 10.0 INCHES IN; Part Name Assigned by Controlling Agency: BOLD, NUT, AND WASHER. 1 specification is documented in the U.S. Government catalog.

Is NSN 5306-01-681-0721 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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