Hexagon Plain Nut

NSN: 5310-00-208-6740 | Model: NAS509-6

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the dimension will be used to determine compliance.)

NSN Properties and Flags

NATO Stock Number

5310-00-208-6740

DEMIL

Thread Class

Thread Direction

Right-hand

Nut Style

Hexagon

Nut Height

0.250 inches

Drilled Hole Diameter

Between 0.045 inches and 0.050 inches

Hole Type And Quantity

3 drilled

Width Across Flats

Between 0.553 inches and 0.565 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 34.0 rockwell c and 38.0 rockwell c

Thread Size

0.375 inches

Hole Configuration Style

Configuration b

Countersink Angle

110.0 degrees both ends

Bearing Surface Type

Chamfered

Bearing Surface Finish

125.0 microinches

Material

Steel comp 4130

Material Specification

Mil-s-6758 military specification single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, class federal specification single treatment response

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE5E318T4306	2018-01-17	PAA64	13793 EA
SPE5E716T0259	2015-10-16	PHPHA	7989 EA

Inventory Check

The last inventory check on this NSN was done on 08/13/2024. Due to rapid changes in inventory this may not be the current stock qty.

New: 20205
New Surplus: 1536
Serviceable: 6
As Removed: 1
Overhauled: 1

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 5310-00-208-6740 Datasheet

Supply Class (FSC):

Nuts And Washers

Cross Reference:

NAS509-6
FF-N-836
8526222
NAS509-6
LS11170-6
752 526
6799288-7
Z00.N5328158415
2210243
2210243
509-6
NAS509-6
10088011

Cage Codes:

Naval Aircraft Standards (CAGE 88827)
Federal Specifications (CAGE 81348)
U S Army Aviation and Missile (CAGE 18876)
National Aerospace Standards (CAGE 80205)
Lockheed Martin Corporation (CAGE 98897)
Piper Aircraft Inc. (CAGE 77294)
Allison Transmission, Inc. (CAGE 73342)
Socata (CAGE F0086)
Embraer S.a. (CAGE 001JK)
Embraer Empresa Brasileira De (CAGE S4956)
Federal Signal International Fsc Ltd (CAGE 98905)
Nimikkeistokeskus Ncb Finland (CAGE A486G)

Replacements:

5310-00-208-6740 replaces 5310-00-275-0387
5310-00-208-6740 replaces 5310-00-535-8725

Schedule B & Trade:

Schedule B: 7318160000 (NAICS 332722)

Nuts of iron or steel
SITC: 69421

Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel
End Use: 12300

Finished metal shapes

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

093486 - Bolts, nuts or screws, noi (sub 3)
WCC:

573 - Bolts or nuts (iron or steel),(less than 35 feet)
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC:

B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
LTL:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
D
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
T22bjx-
Repariability
This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $7.33 to $12.22..
Does NSN 5310-00-208-6740 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, Department Of The Navy, U.s. Coast Guard, National Aeronautics and Space Administration, Austria, Finland, Slovenia, Poland, Romania, Bulgaria, Brazil, Spain, Columbia, Israel, Singapore, Kuwait, Malaysia, Thailand, Australia, Belgium, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Philippines, Netherlands, Portugal, Italy, Denmark, Norway, Greece, Turkey, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 5310-00-208-6740?
002086740 or 00-208-6740
Does NSN 5310-00-208-6740 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-208-6740?
Solicitation SPE5E318T4306 for qty 13793 on 01/10/2018
When was this national stock number assigned to the federal catalog?
Jan 01, 1963