Internal Wrenching Bolt

NSN: 5306-01-658-6681 | Model: WC331K8-4

An externally threaded fastener whose threaded portion is of one diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

NSN Properties and Flags

NATO Stock Number

5306-01-658-6681

DEMIL

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE5E419T180Z	2019-08-22	PHPHB	10 EA
SPE5E419T082X	2019-06-27	PHPHB	2 EA
SPE5E419T1843	2018-11-13	PHPHB	1 EA
SPE5E419T1186	2018-11-02	PHPHB	2 EA
SPE5E418T275F	2018-09-14	PHPHB	3 EA
SPE5E418T217G	2018-08-20	PHPHB	7 EA
SPE5E417T6524	2017-02-21	PHPHB	8 EA

Inventory Check

The last inventory check on this NSN was done on 02/08/2023. Due to rapid changes in inventory this may not be the current stock qty.

New: 12
New Surplus: 3

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 5306-01-658-6681 Datasheet

Supply Class (FSC):

Bolts

Cross Reference:

WC331K8-4
MS21141U6-5P

Cage Codes:

West Coast Aerospace Inc (CAGE 60516)
Military Standards (CAGE 96906)

NSN Management Codes:

SOS
Sms
AAC
Z
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
9b-----
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $3,444.19 to $5,740.31..
Does NSN 5306-01-658-6681 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
What is the NIIN of NSN 5306-01-658-6681?
016586681 or 01-658-6681
Does NSN 5306-01-658-6681 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5306-01-658-6681?
Solicitation SPE5E419T180Z for qty 10 on 08/15/2019