BLC4R12SM

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-00-051-1420

Item Name Code

08323

Assigment Date

01/01/1960 (66 years ago)

A headed fastening device having a solid cylindrical or tubular body with retaining ball or pinlike detent(s). The detent(s) is/are positioned and actuated by means of a spring, elastomer or plunger. Plunger may be operated by thumb, cam or other means. May be furnished with a pull ring, pull and/or lock ring, attaching ring or hook.

1.060 inches minimum ring handle diameter, 2 detent quantity, push button actuation method, 0.310 inches minimum and 0.530 inches maximum head diameter, 0.247 inches minimum and 0.249 inches maximum shank diameter

Product Characteristics

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

Head Diameter: 0.310 inches minimum and 0.530 inches maximum
Shank Diameter: 0.247 inches minimum and 0.249 inches maximum
Ring Handle Diameter: 1.060 inches minimum
Detent Quantity: 2
Actuation Method: push button
Grip Length: 1.200 inches minimum and 1.220 inches maximum
Actuation Type: push
Hardness Rating: 40.0 rockwell c minimum overall
Shoulder To Head End Distance: 0.780 inches minimum
Pin Attachment Type: hook or ring
Detent To Tapered End Distance: 0.260 inches minimum and 0.290 inches maximum
Material: steel comp 630 or steel comp 632 shank
Material: steel comp 630 or steel comp 632 spindle
Material Document And Classification: ams 5643 assn std 1st material response or ams 5657 assn std 2nd material response shank
Material Document And Classification: ams 5643 assn std 1st material response or ams 5657 assn std 2nd material response spindle
Surface Treatment: passivate overall
Style Designator: ring handle

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
BLC4R12SM	Quick Release Pin
BLS4R12S	Quick Release Pin
LG4CR12M	Quick Release Pin
MS17987C412	Quick Release Pin
SLC4R12	Quick Release Pin

FAQs

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

What is the FSCG of the NSN 5315-00-051-1420?

The FSCG of the NSN 5315-00-051-1420 is 5315

Does the NSN 5315-00-051-1420 have a Schedule B code assigned?

Yes, the Schedule B code is 7319409000

Does NSN 5315-00-051-1420 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5315-00-051-1420 contain precious materials?

Precious metal content is unknown

Does NSN 5315-00-051-1420 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 5315-00-051-1420 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960