BLS4B21S
View detailed technical data, stock status, and sourcing information for: BLS4B21S
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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, 0.247 inches minimum and 0.249 inches maximum shank diameter, push button actuation method, 0.720 inches minimum and 0.800 inches maximum button handle diameter, 2.100 inches minimum and 2.120 inches maximum grip length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Shank Diameter
- 0.247 inches minimum and 0.249 inches maximum
- Button Handle Diameter
- 0.720 inches minimum and 0.800 inches maximum
- Detent Quantity
- 2
- Actuation Method
- push button
- Grip Length
- 2.100 inches minimum and 2.120 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
- link 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 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5340-00-080-0713 | No Name Available | 08/25/1973 |
| 5315-00-904-5231 | No Name Available | 11/01/2002 |
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 |
|---|---|
| BLC4B21S | Quick Release Pin |
| BLC4B21SM | Quick Release Pin |
| BLS4B21S | Quick Release Pin |
| BLS4B21SM | Quick Release Pin |
| LG4CB21000 | Quick Release Pin |
| LG4CB21M | Quick Release Pin |
| LG4SB2100 | Quick Release Pin |
| LG4SB21M | Quick Release Pin |
| LW4CHAG2-100 | Quick Release Pin |
| MS17984-421 | Quick Release Pin |
| MS17984C421 | Quick Release Pin |
| NAS1334A3C21D | Quick Release Pin |
| NAS1334A3C21K | Quick Release Pin |
| SLC4AB21 | Quick Release Pin |
| SLS4B21 | Quick Release Pin |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5315-00-904-1670?
Does the NSN 5315-00-904-1670 have a Schedule B code assigned?
Does NSN 5315-00-904-1670 require demilitarization?
Does NSN 5315-00-904-1670 contain precious materials?
Does NSN 5315-00-904-1670 contain hazardous materials?
When the NSN 5315-00-904-1670 was assigned to the Federal Catalog?
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Pricing
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