4211.B21 - Ball Lock Pins
single acting - comply with NAS / MS17985
Ball Lock Pins according to MS17985 / NAS1333-1343 are used for quick fastening, locking, adjusting, changing and securing. Quickly and easily unlockable for frequently repeated connections.
Ball Lock Pins (Quick Release Pins) are produced according to Aviation Norm MS / NAS and tested to NAS 1332.
Surface treatment:
- All stainless steel parts are passivated according AMS2700
- All alluminium parts alloy anodized according MIL-A-8625
Heat treatment:
- Body: Rc. 40 min. (AMS2759, Condition H900)
- Spindle: Rc. 40 min. (AMS2759, Condition H900)
- Ball: Rc. 58-62 min. (AMS2759)
This article 4211.B21 - Ball Lock Pins single acting - comply with NAS / MS17985 / (Nominal diameter A: 1/4 in, Clamping length L +0.02 0: 2.1 in) is one variant of the article group Ball Lock Pins single acting - comply with NAS / MS17985 (EH 4211.)
More details
- Nominal diameter A: 1/4 in
- A min.: 0.247 in
- A max.: 0.2485 in
- Clamping length L +0.02 0: 2.1 in
- B ±0.005: 0.289 in
- C 0 -0.04: 0.29 in
- D max.: 0.31 in
- E max.: 0.5 in
- F max.: 1.815 in
- G max.: 1.27 in
- H min.: 0.8 in
- Location hole max.: 0.254 in
- Shearing resistance, two-shear min.: 9,200 lbf
- Operating temperature range min.: -65 °F
- Operating temperature range max.: 200 °F
- Weight: 31.3 g
- Standard description: MS17985C421 / NAS1334A2C21D
Material
Body
- Stainless steel, precipitation-hardened, passivated - CRES 17-4PH (specification AMS5643)
Spindle
- Stainless steel, precipitation-hardened, passivated - CRES 17-4PH (specification AMS5643)
Spring
- Stainless steel, passivated - CRES 302 (specification ASTM-A-313)
Handle
- Aluminium, black anodised - Alum.Alloy A380 (specification ASTM B85/B85)
Attaching ring
- Stainless steel, passivated - CRES 302 (specification ASTM A-313/A313M)
Press button
- Stainless steel, passivated - CRES 303 (specification ASTM A484/484M)
Ball
- Stainless steel, precipitation-hardened, passivated - CRES 440C (specification AMS5630)
Notes
All further dimensions are available on request.
Other diameter / length combinations not listed which comply with the standard can be produced at short notice on customer request.
Special types on request.
- This product is manufactured in INCH dimensions.
Operation
Ball lock pins single acting are self-locking and require a push of the button to release the balls.
RoHS compliant
Compliant according to Directive 2011/65/EU and Directive 2015/863.
Does not contain SVHC substances
No SVHC substances with more than 0.1% w/w contained - SVHC list [REACH] as of 27.06.2024.
Does not contain Proposition 65 substances
No Proposition 65 substances included.
https://www.P65Warnings.ca.gov/
Free from Conflict Minerals
This product does not contain any substances designated as "conflict minerals" such as tantalum, tin, gold or tungsten from the Democratic Republic of Congo or adjacent countries.