1240-01-251-8690

Find complete technical information, availability, and procurement data for: 1240-01-251-8690

DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 1240-01-251-8690 to receive an up to date pricing and availability quote by email.

1240-01-251-8690
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-01-251-8690
Item Name Code
21859
Assigment Date
03/25/1987 (39 years ago)

A length of tubing, straight, or prebent to a predetermined angle, with added component(s) that forms an end connection on one or both ends. For flexible tube assemblies, see hose assembly (as modified). For items having perforations in the tubing or attachments, see tube assembly, fire extinguishing system. Excludes:items having integral preformed or plain ends, tube, bent (as modified), and items which are branched or forked.

0.200 inches and 0.280 inches thread length, +1.1672 to 1.1723 inches and +1.2871 to 1.2910 inches thread pitch diameters, 1.000 inches nominal overall length, 2b and 2a thread class, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2b and 2a
Thread Pitch Diameters
+1.1672 to 1.1723 inches and +1.2871 to 1.2910 inches
Thread Direction
right-hand
Thread Length
0.200 inches and 0.280 inches
Overall Length
1.000 inches nominal
Screw Thread Series Designator
uns
Thread Location
internal and external
Eccentric Construction
not provided
Chamfer Location
smaller diameter end
Chamfer Size
0.015 in. by 45 deg
Material
aluminum alloy 6061

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
9360370 Optical Element Cell

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 1240-01-251-8690?
The FSCG of the NSN 1240-01-251-8690 is 1240
Does the NSN 1240-01-251-8690 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-01-251-8690 require demilitarization?
Usml items - mutilation to the point of scrap required worldwide. (note 7).
Does NSN 1240-01-251-8690 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-01-251-8690 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 1240-01-251-8690 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Wed, Mar 25, 1987

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

You May Also Like

Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.

Pricing

Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:

ITAR Registered

Featured Parts

Explore our most requested parts, carefully selected based on customer demand and sourcing activity. Each listing provides current specifications, availability status, and item condition:

PBF1380-2308
5305-01-327-6028
Machine Screw
PBF1380-2315
5305-01-286-9177
Machine Screw
PBF1380-232
5305-01-195-9571
Machine Screw
PBF1381-0317
5305-01-417-4028
Close Tolerance Screw
PBF1381-2302
5305-01-211-7485
Close Tolerance Screw
PBF1381-2306
5305-01-194-6441
Close Tolerance Screw
PBF1381-2309
5305-01-217-4009
Close Tolerance Screw
PBF1381-2312
5305-01-483-6893
Close Tolerance Screw
PBF1381-2316
5305-01-286-3112
Close Tolerance Screw
PBF1381-2404
5305-01-725-2900
Close Tolerance Screw
PBF1381-2406
5305-01-482-1579
Close Tolerance Screw
PBF1381-6306
5305-01-369-0751
Close Tolerance Screw
PBF1381-6309
5305-01-197-6515
Close Tolerance Screw
PBF1382-2305
5305-01-197-1383
Close Tolerance Screw
PBF1382-2404
5305-01-168-3903
Close Tolerance Screw