BLS4B19S

View detailed technical data, stock status, and sourcing information for: BLS4B19S

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BLS4B19S
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5315 Pins, Machine Keys and Nails
National Stock Number
5315-00-494-8525
Item Name Code
08323
Assigment Date
06/18/1969 (57 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.

2 detent quantity, 0.2470 inches minimum and 0.2485 inches maximum shank diameter, 0.720 inches minimum and 0.800 inches maximum button handle diameter, w/s:wasp class lhd; support equipment, c-130 aircraft; helicopter, seasprite h-2; aircraft, hercules c-130; helicopter, rh-53; helicopter, apache ah-64; iwo jima class lph; aircraft, starlifter c-141; aircraft, stratolifter c-135; airborne mine counter measure end item identification, push button actuation method

Product Characteristics

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

Shank Diameter
0.2470 inches minimum and 0.2485 inches maximum
Button Handle Diameter
0.720 inches minimum and 0.800 inches maximum
Detent Quantity
2
Actuation Method
push button
End Item Identification
w/s:wasp class lhd; support equipment, c-130 aircraft; helicopter, seasprite h-2; aircraft, hercules c-130; helicopter, rh-53; helicopter, apache ah-64; iwo jima class lph; aircraft, starlifter c-141; aircraft, stratolifter c-135; airborne mine counter measure
Grip Length
1.900 inches minimum and 1.920 inches maximum
Actuation Type
push
Hardness Rating
40.0 rockwell c minimum shank
Hardness Rating
40.0 rockwell c minimum spindle
Shoulder To Head End Distance
0.890 inches maximum
Pin Attachment Type
hook and retaining chain
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 spindle
Surface Treatment
passivate shank
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response shank
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response spindle
Style Designator
button

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5340-00-228-2942 No Name Available 07/01/1983
5315-00-904-5229 No Name Available 10/01/2002

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
BLC4B19S Quick Release Pin
BLC4B19SM Quick Release Pin
BLS4B19S Quick Release Pin
BLS4B19SM Quick Release Pin
LG4CB1900 Quick Release Pin
LG4CB19M Quick Release Pin
LG4SB1900 Quick Release Pin
LG4SB19M Quick Release Pin
MS17984-419 Quick Release Pin
MS17984C419 Quick Release Pin
SLC4AB19 Quick Release Pin
SLS4B19 Quick Release Pin

FAQs

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

What is the FSCG of the NSN 5315-00-494-8525?
The FSCG of the NSN 5315-00-494-8525 is 5315
Does the NSN 5315-00-494-8525 have a Schedule B code assigned?
Yes, the Schedule B code is 9021100090
Does NSN 5315-00-494-8525 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 5315-00-494-8525 contain precious materials?
Precious metal content is unknown
Does NSN 5315-00-494-8525 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 5315-00-494-8525 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Wed, Jun 18, 1969

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